Update for language changes

109 files changed, 1165 insertions, 971 deletions

diff --git a/src/compiler/rust b/src/compiler/rust
-Subproject 1b883365bc0813f5775c8207e414b7973e947a7
+Subproject f348465283d6cd85b69bcdc1711d14985d154c3
diff --git a/src/components/gfx/display_list.rs b/src/components/gfx/display_list.rs
index 508bd32a013..b284ebde1de 100644
--- a/src/components/gfx/display_list.rs
+++ b/src/components/gfx/display_list.rs
@@ -19,11 +19,11 @@ use geometry::Au;
 use render_context::RenderContext;
 use text::SendableTextRun;
 
-use core::cast::transmute_region;
+use std::cast::transmute_region;
 use geom::{Point2D, Rect, Size2D};
 use servo_net::image::base::Image;
 use servo_util::range::Range;
-use std::arc::ARC;
+use extra::arc::ARC;
 
 /// A list of rendering operations to be performed.
 pub struct DisplayList<E> {
diff --git a/src/components/gfx/font.rs b/src/components/gfx/font.rs
index 3cc65061105..ae0d2e4acc0 100644
--- a/src/components/gfx/font.rs
+++ b/src/components/gfx/font.rs
@@ -9,6 +9,11 @@ use platform::font_context::FontContextHandle;
 use platform::font::{FontHandle, FontTable};
 use render_context::RenderContext;
 use servo_util::range::Range;
+use std::cast;
+use std::result;
+use std::ptr;
+use std::str;
+use std::vec;
 use text::glyph::{GlyphStore, GlyphIndex};
 use text::shaping::ShaperMethods;
 use text::{Shaper, TextRun};
@@ -94,7 +99,7 @@ pub enum CSSFontWeight {
     FontWeight900,
 }
 
-pub impl CSSFontWeight {
+impl CSSFontWeight {
     pub fn is_bold(self) -> bool {
         match self {
             FontWeight900 | FontWeight800 | FontWeight700 | FontWeight600 => true,
@@ -140,8 +145,8 @@ pub struct FontDescriptor {
     selector: FontSelector,
 }
 
-pub impl FontDescriptor {
-    fn new(style: UsedFontStyle, selector: FontSelector) -> FontDescriptor {
+impl FontDescriptor {
+    pub fn new(style: UsedFontStyle, selector: FontSelector) -> FontDescriptor {
         FontDescriptor {
             style: style,
             selector: selector,
@@ -170,8 +175,8 @@ pub struct FontGroup {
     fonts: ~[@mut Font],
 }
 
-pub impl FontGroup {
-    fn new(families: @str, style: &UsedFontStyle, fonts: ~[@mut Font]) -> FontGroup {
+impl FontGroup {
+    pub fn new(families: @str, style: &UsedFontStyle, fonts: ~[@mut Font]) -> FontGroup {
         FontGroup {
             families: families,
             style: copy *style,
@@ -179,11 +184,11 @@ pub impl FontGroup {
         }
     }
 
-    fn teardown(&mut self) {
+    pub fn teardown(&mut self) {
         self.fonts = ~[];
     }
 
-    fn create_textrun(&self, text: ~str, underline: bool) -> TextRun {
+    pub fn create_textrun(&self, text: ~str, underline: bool) -> TextRun {
         assert!(self.fonts.len() > 0);
 
         // TODO(Issue #177): Actually fall back through the FontGroup when a font is unsuitable.
@@ -215,8 +220,8 @@ pub struct Font {
     profiler_chan: ProfilerChan,
 }
 
-pub impl Font {
-    fn new_from_buffer(ctx: &FontContext,
+impl Font {
+    pub fn new_from_buffer(ctx: &FontContext,
                        buffer: ~[u8],
                        style: &SpecifiedFontStyle,
                        backend: BackendType,
@@ -243,7 +248,7 @@ pub impl Font {
         });
     }
 
-    fn new_from_adopted_handle(_fctx: &FontContext, handle: FontHandle,
+    pub fn new_from_adopted_handle(_fctx: &FontContext, handle: FontHandle,
                                style: &SpecifiedFontStyle, backend: BackendType,
                                profiler_chan: ProfilerChan) -> @mut Font {
         let metrics = handle.get_metrics();
@@ -259,7 +264,7 @@ pub impl Font {
         }
     }
 
-    fn new_from_existing_handle(fctx: &FontContext, handle: &FontHandle,
+    pub fn new_from_existing_handle(fctx: &FontContext, handle: &FontHandle,
                                 style: &SpecifiedFontStyle, backend: BackendType,
                                 profiler_chan: ProfilerChan) -> Result<@mut Font,()> {
 
@@ -284,7 +289,7 @@ pub impl Font {
         shaper
     }
 
-    fn get_table_for_tag(&self, tag: FontTableTag) -> Option<FontTable> {
+    pub fn get_table_for_tag(&self, tag: FontTableTag) -> Option<FontTable> {
         let result = self.handle.get_table_for_tag(tag);
         let status = if result.is_some() { "Found" } else { "Didn't find" };
 
@@ -295,7 +300,7 @@ pub impl Font {
         return result;
     }
 
-    fn teardown(&mut self) {
+    pub fn teardown(&mut self) {
         self.shaper = None;
         self.azure_font = None;
     }
@@ -332,19 +337,19 @@ pub impl Font {
 }
 
 
-pub impl Font {
-    fn draw_text_into_context(&mut self,
+impl Font {
+    pub fn draw_text_into_context(&mut self,
                               rctx: &RenderContext,
                               run: &TextRun,
                               range: &Range,
                               baseline_origin: Point2D<Au>,
                               color: Color) {
-        use core::libc::types::common::c99::{uint16_t, uint32_t};
+        use std::libc::types::common::c99::{uint16_t, uint32_t};
         use azure::{struct__AzDrawOptions,
                     struct__AzGlyph,
                     struct__AzGlyphBuffer,
                     struct__AzPoint};
-        use azure::azure::bindgen::{AzDrawTargetFillGlyphs};
+        use azure::azure::{AzDrawTargetFillGlyphs};
 
         let target = rctx.get_draw_target();
         let azfontref = self.get_azure_font();
@@ -362,7 +367,7 @@ pub impl Font {
         vec::reserve(&mut azglyphs, range.length());
 
         for run.glyphs.iter_glyphs_for_char_range(range) |_i, glyph| {
-            let glyph_advance = glyph.advance();
+            let glyph_advance = glyph.advance_();
             let glyph_offset = glyph.offset().get_or_default(Au::zero_point());
 
             let azglyph = struct__AzGlyph {
@@ -379,28 +384,28 @@ pub impl Font {
         let azglyph_buf_len = azglyphs.len();
         if azglyph_buf_len == 0 { return; } // Otherwise the Quartz backend will assert.
 
-        let glyphbuf = unsafe {
-            struct__AzGlyphBuffer {
-                mGlyphs: vec::raw::to_ptr(azglyphs),
-                mNumGlyphs: azglyph_buf_len as uint32_t            
-            }
+        let glyphbuf = struct__AzGlyphBuffer {
+            mGlyphs: vec::raw::to_ptr(azglyphs),
+            mNumGlyphs: azglyph_buf_len as uint32_t            
         };
 
-        // TODO(Issue #64): this call needs to move into azure_hl.rs
-        AzDrawTargetFillGlyphs(target.azure_draw_target,
-                               azfontref,
-                               ptr::to_unsafe_ptr(&glyphbuf),
-                               azure_pattern,
-                               ptr::to_unsafe_ptr(&options),
-                               ptr::null());
+        unsafe {
+            // TODO(Issue #64): this call needs to move into azure_hl.rs
+            AzDrawTargetFillGlyphs(target.azure_draw_target,
+                                   azfontref,
+                                   ptr::to_unsafe_ptr(&glyphbuf),
+                                   azure_pattern,
+                                   ptr::to_unsafe_ptr(&options),
+                                   ptr::null());
+        }
     }
 
-    fn measure_text(&self, run: &TextRun, range: &Range) -> RunMetrics {
+    pub fn measure_text(&self, run: &TextRun, range: &Range) -> RunMetrics {
         // TODO(Issue #199): alter advance direction for RTL
         // TODO(Issue #98): using inter-char and inter-word spacing settings  when measuring text
         let mut advance = Au(0);
         for run.glyphs.iter_glyphs_for_char_range(range) |_i, glyph| {
-            advance += glyph.advance();
+            advance += glyph.advance_();
         }
         let bounds = Rect(Point2D(Au(0), -self.metrics.ascent),
                           Size2D(advance, self.metrics.ascent + self.metrics.descent));
@@ -417,22 +422,22 @@ pub impl Font {
         }
     }
 
-    fn shape_text(@mut self, text: &str, store: &mut GlyphStore) {
+    pub fn shape_text(@mut self, text: &str, store: &mut GlyphStore) {
         // TODO(Issue #229): use a more efficient strategy for repetitive shaping.
         // For example, Gecko uses a per-"word" hashtable of shaper results.
         let shaper = self.get_shaper();
         shaper.shape_text(text, store);
     }
 
-    fn get_descriptor(&self) -> FontDescriptor {
+    pub fn get_descriptor(&self) -> FontDescriptor {
         FontDescriptor::new(copy self.style, SelectorPlatformIdentifier(self.handle.face_identifier()))
     }
 
-    fn glyph_index(&self, codepoint: char) -> Option<GlyphIndex> {
+    pub fn glyph_index(&self, codepoint: char) -> Option<GlyphIndex> {
         self.handle.glyph_index(codepoint)
     }
 
-    fn glyph_h_advance(&self, glyph: GlyphIndex) -> FractionalPixel {
+    pub fn glyph_h_advance(&self, glyph: GlyphIndex) -> FractionalPixel {
         match self.handle.glyph_h_advance(glyph) {
           Some(adv) => adv,
           None => /* FIXME: Need fallback strategy */ 10f as FractionalPixel
diff --git a/src/components/gfx/font_context.rs b/src/components/gfx/font_context.rs
index 4ac07bed4fd..d4479a8e310 100644
--- a/src/components/gfx/font_context.rs
+++ b/src/components/gfx/font_context.rs
@@ -14,7 +14,9 @@ use platform::font::FontHandle;
 use platform::font_context::FontContextHandle;
 
 use azure::azure_hl::BackendType;
-use core::hashmap::HashMap;
+use std::hashmap::HashMap;
+use std::str;
+use std::result;
 
 // TODO(Rust #3934): creating lots of new dummy styles is a workaround
 // for not being able to store symbolic enums in top-level constants.
@@ -46,8 +48,8 @@ pub struct FontContext {
 }
 
 #[allow(non_implicitly_copyable_typarams)]
-pub impl<'self> FontContext {
-    fn new(backend: BackendType,
+impl<'self> FontContext {
+    pub fn new(backend: BackendType,
            needs_font_list: bool,
            profiler_chan: ProfilerChan)
            -> FontContext {
@@ -79,7 +81,7 @@ pub impl<'self> FontContext {
         self.font_list.get_ref()
     }
 
-    fn get_resolved_font_for_style(&mut self, style: &SpecifiedFontStyle) -> @FontGroup {
+    pub fn get_resolved_font_for_style(&mut self, style: &SpecifiedFontStyle) -> @FontGroup {
         match self.group_cache.find(style) {
             Some(fg) => {
                 debug!("font group cache hit");
@@ -94,7 +96,7 @@ pub impl<'self> FontContext {
         }
     }
 
-    fn get_font_by_descriptor(&mut self, desc: &FontDescriptor) -> Result<@mut Font, ()> {
+    pub fn get_font_by_descriptor(&mut self, desc: &FontDescriptor) -> Result<@mut Font, ()> {
         match self.instance_cache.find(desc) {
             Some(f) => {
                 debug!("font cache hit");
@@ -129,8 +131,8 @@ pub impl<'self> FontContext {
         debug!("(create font group) --- starting ---");
 
         // TODO(Issue #193): make iteration over 'font-family' more robust.
-        for str::each_split_char(style.families, ',') |family| {
-            let family_name = str::trim(family);
+        for style.families.split_iter(',').advance |family| {
+            let family_name = family.trim();
             let transformed_family_name = self.transform_family(family_name);
             debug!("(create font group) transformed family is `%s`", transformed_family_name);
 
@@ -142,7 +144,7 @@ pub impl<'self> FontContext {
             };
 
             let mut found = false;
-            for result.each |font_entry| {
+            for result.iter().advance |font_entry| {
                 found = true;
 
                 let font_id =
@@ -161,7 +163,7 @@ pub impl<'self> FontContext {
 
         let last_resort = FontList::get_last_resort_font_families();
 
-        for last_resort.each |family| {
+        for last_resort.iter().advance |family| {
             let result = match self.font_list {
                 Some(ref fl) => {
                     fl.find_font_in_family(*family, style)
@@ -169,7 +171,7 @@ pub impl<'self> FontContext {
                 None => None,
             };
 
-            for result.each |font_entry| {
+            for result.iter().advance |font_entry| {
                 let font_id =
                   SelectorPlatformIdentifier(font_entry.handle.face_identifier());
                 let font_desc = FontDescriptor::new(copy *style, font_id);
diff --git a/src/components/gfx/font_list.rs b/src/components/gfx/font_list.rs
index e9a5afdf77c..77a18a60b5c 100644
--- a/src/components/gfx/font_list.rs
+++ b/src/components/gfx/font_list.rs
@@ -8,11 +8,10 @@ use platform::font::FontHandle;
 use platform::font_context::FontContextHandle;
 use platform::font_list::FontListHandle;
 use servo_util::time;
-use servo_util::time::time;
 use servo_util::time::profile;
 use servo_util::time::ProfilerChan;
 
-use core::hashmap::HashMap;
+use std::hashmap::HashMap;
 
 pub type FontFamilyMap = HashMap<~str, @mut FontFamily>;
 
@@ -29,8 +28,8 @@ pub struct FontList {
     prof_chan: ProfilerChan,
 }
 
-pub impl FontList {
-    fn new(fctx: &FontContextHandle,
+impl FontList {
+    pub fn new(fctx: &FontContextHandle,
            prof_chan: ProfilerChan)
            -> FontList {
         let handle = FontListHandle::new(fctx);
@@ -53,7 +52,7 @@ pub impl FontList {
         }
     }
 
-    fn find_font_in_family(&self,
+    pub fn find_font_in_family(&self,
                            family_name: &str, 
                            style: &SpecifiedFontStyle) -> Option<@FontEntry> {
         let family = self.find_family(family_name);
@@ -62,7 +61,7 @@ pub impl FontList {
 
         // if such family exists, try to match style to a font
         let mut result: Option<@FontEntry> = None;
-        for family.each |fam| {
+        for family.iter().advance |fam| {
             result = fam.find_font_for_style(&self.handle, style);
         }
 
diff --git a/src/components/gfx/geometry.rs b/src/components/gfx/geometry.rs
index 15290648172..6846c00b691 100644
--- a/src/components/gfx/geometry.rs
+++ b/src/components/gfx/geometry.rs
@@ -6,8 +6,9 @@ use geom::point::Point2D;
 use geom::rect::Rect;
 use geom::size::Size2D;
 
-use core::num::{NumCast, One, Zero};
+use std::num::{NumCast, One, Zero};
 
+#[deriving(Clone)]
 pub struct Au(i32);
 
 impl Add<Au,Au> for Au {
@@ -34,14 +35,14 @@ impl Neg<Au> for Au {
     fn neg(&self) -> Au { Au(-**self) }
 }
 
-impl cmp::Ord for Au {
+impl Ord for Au {
     fn lt(&self, other: &Au) -> bool { **self <  **other }
     fn le(&self, other: &Au) -> bool { **self <= **other }
     fn ge(&self, other: &Au) -> bool { **self >= **other }
     fn gt(&self, other: &Au) -> bool { **self >  **other }
 }
 
-impl cmp::Eq for Au {
+impl Eq for Au {
     fn eq(&self, other: &Au) -> bool { **self == **other }
     fn ne(&self, other: &Au) -> bool { **self != **other }
 }
@@ -80,11 +81,11 @@ impl NumCast for Au {
     fn to_float(&self) -> float { (**self).to_float() }
 }
 
-pub fn box<T:Copy + Ord + Add<T,T> + Sub<T,T>>(x: T, y: T, w: T, h: T) -> Rect<T> {
+pub fn box<T:Clone + Ord + Add<T,T> + Sub<T,T>>(x: T, y: T, w: T, h: T) -> Rect<T> {
     Rect(Point2D(x, y), Size2D(w, h))
 }
 
-pub impl Au {
+impl Au {
     pub fn scale_by(self, factor: float) -> Au {
         Au(((*self as float) * factor) as i32)
     }
diff --git a/src/components/gfx/gfx.rc b/src/components/gfx/gfx.rc
index 9d3fd2a20d9..c9b7d2a2e4c 100644
--- a/src/components/gfx/gfx.rc
+++ b/src/components/gfx/gfx.rc
@@ -12,7 +12,7 @@ extern mod azure;
 extern mod geom;
 extern mod http_client;
 extern mod stb_image;
-extern mod std;
+extern mod extra;
 extern mod servo_net (name = "net");
 extern mod servo_util (name = "util");
 extern mod servo_msg (name = "msg");
diff --git a/src/components/gfx/opts.rs b/src/components/gfx/opts.rs
index 329dffa03b4..2d0d7dfecac 100644
--- a/src/components/gfx/opts.rs
+++ b/src/components/gfx/opts.rs
@@ -8,6 +8,10 @@
 use azure::azure_hl::{BackendType, CairoBackend, CoreGraphicsBackend};
 use azure::azure_hl::{CoreGraphicsAcceleratedBackend, Direct2DBackend, SkiaBackend};
 
+use std::f64;
+use std::result;
+use std::uint;
+
 pub struct Opts {
     urls: ~[~str],
     render_backend: BackendType,
@@ -22,17 +26,17 @@ pub struct Opts {
 
 #[allow(non_implicitly_copyable_typarams)]
 pub fn from_cmdline_args(args: &[~str]) -> Opts {
-    use std::getopts;
+    use extra::getopts;
 
     let args = args.tail();
 
     let opts = ~[
-        getopts::optopt(~"o"),  // output file
-        getopts::optopt(~"r"),  // rendering backend
-        getopts::optopt(~"s"),  // size of tiles
-        getopts::optopt(~"t"),  // threads to render with
-        getopts::optflagopt(~"p"),  // profiler flag and output interval
-        getopts::optopt(~"z"),  // zoom level
+        getopts::optopt("o"),  // output file
+        getopts::optopt("r"),  // rendering backend
+        getopts::optopt("s"),  // size of tiles
+        getopts::optopt("t"),  // threads to render with
+        getopts::optflagopt("p"),  // profiler flag and output interval
+        getopts::optopt("z"),  // zoom level
     ];
 
     let opt_match = match getopts::getopts(args, opts) {
@@ -45,11 +49,11 @@ pub fn from_cmdline_args(args: &[~str]) -> Opts {
         copy opt_match.free
     };
 
-    if getopts::opt_present(&opt_match, ~"o") {
+    if getopts::opt_present(&opt_match, "o") {
         fail!(~"servo cannot treat 'o' option now.")
     }
 
-    let render_backend = match getopts::opt_maybe_str(&opt_match, ~"r") {
+    let render_backend = match getopts::opt_maybe_str(&opt_match, "r") {
         Some(backend_str) => {
             if backend_str == ~"direct2d" {
                 Direct2DBackend
@@ -68,24 +72,24 @@ pub fn from_cmdline_args(args: &[~str]) -> Opts {
         None => SkiaBackend
     };
 
-    let tile_size: uint = match getopts::opt_maybe_str(&opt_match, ~"s") {
+    let tile_size: uint = match getopts::opt_maybe_str(&opt_match, "s") {
         Some(tile_size_str) => uint::from_str(tile_size_str).get(),
         None => 512,
     };
 
-    let n_render_threads: uint = match getopts::opt_maybe_str(&opt_match, ~"t") {
+    let n_render_threads: uint = match getopts::opt_maybe_str(&opt_match, "t") {
         Some(n_render_threads_str) => uint::from_str(n_render_threads_str).get(),
         None => 1,      // FIXME: Number of cores.
     };
 
     let profiler_period: Option<f64> =
         // if only flag is present, default to 5 second period
-        match getopts::opt_default(&opt_match, ~"p", ~"5") {
+        match getopts::opt_default(&opt_match, "p", "5") {
         Some(period) => Some(f64::from_str(period).get()),
         None => None,
     };
 
-    let zoom: uint = match getopts::opt_maybe_str(&opt_match, ~"z") {
+    let zoom: uint = match getopts::opt_maybe_str(&opt_match, "z") {
         Some(zoom_str) => uint::from_str(zoom_str).get(),
         None => 1,
     };
diff --git a/src/components/gfx/platform/linux/font.rs b/src/components/gfx/platform/linux/font.rs
index ead80c1b7b5..95975c8be14 100644
--- a/src/components/gfx/platform/linux/font.rs
+++ b/src/components/gfx/platform/linux/font.rs
@@ -14,10 +14,10 @@ use platform::font_context::FontContextHandle;
 use text::glyph::GlyphIndex;
 use text::util::{float_to_fixed, fixed_to_float};
 
-use freetype::freetype::bindgen::{FT_Get_Char_Index, FT_Get_Postscript_Name};
-use freetype::freetype::bindgen::{FT_Load_Glyph, FT_Set_Char_Size};
-use freetype::freetype::bindgen::{FT_New_Face, FT_Get_Sfnt_Table};
-use freetype::freetype::bindgen::{FT_New_Memory_Face, FT_Done_Face};
+use freetype::freetype::{FT_Get_Char_Index, FT_Get_Postscript_Name};
+use freetype::freetype::{FT_Load_Glyph, FT_Set_Char_Size};
+use freetype::freetype::{FT_New_Face, FT_Get_Sfnt_Table};
+use freetype::freetype::{FT_New_Memory_Face, FT_Done_Face};
 use freetype::freetype::{FTErrorMethods, FT_F26Dot6, FT_Face, FT_FaceRec};
 use freetype::freetype::{FT_GlyphSlot, FT_Library, FT_Long, FT_ULong};
 use freetype::freetype::{FT_STYLE_FLAG_ITALIC, FT_STYLE_FLAG_BOLD};
@@ -25,6 +25,11 @@ use freetype::freetype::{FT_SizeRec, FT_UInt, FT_Size_Metrics};
 use freetype::freetype::{ft_sfnt_os2};
 use freetype::tt_os2::TT_OS2;
 
+use std::cast;
+use std::ptr;
+use std::str;
+use std::vec;
+
 fn float_to_fixed_ft(f: float) -> i32 {
     float_to_fixed(6, f)
 }
@@ -60,8 +65,10 @@ pub struct FontHandle {
 impl Drop for FontHandle {
     fn finalize(&self) {
         assert!(self.face.is_not_null());
-        if !FT_Done_Face(self.face).succeeded() {
-            fail!(~"FT_Done_Face failed");
+        unsafe {
+            if !FT_Done_Face(self.face).succeeded() {
+                fail!(~"FT_Done_Face failed");
+            }
         }
     }
 }
@@ -96,19 +103,21 @@ impl FontHandleMethods for FontHandle {
          fn create_face_from_buffer(lib: FT_Library,
                                     cbuf: *u8, cbuflen: uint, pt_size: float) 
              -> Result<FT_Face, ()> {
-             
-             let mut face: FT_Face = ptr::null();
-             let face_index = 0 as FT_Long;
-             let result = FT_New_Memory_Face(lib, cbuf, cbuflen as FT_Long,
-                                             face_index, ptr::to_mut_unsafe_ptr(&mut face));
-             
-             if !result.succeeded() || face.is_null() {
-                 return Err(());
-             }
-             if FontHandle::set_char_size(face, pt_size).is_ok() {
-                 Ok(face)
-             } else {
-                 Err(())
+
+             unsafe {
+                 let mut face: FT_Face = ptr::null();
+                 let face_index = 0 as FT_Long;
+                 let result = FT_New_Memory_Face(lib, cbuf, cbuflen as FT_Long,
+                                                 face_index, ptr::to_mut_unsafe_ptr(&mut face));
+                 
+                 if !result.succeeded() || face.is_null() {
+                     return Err(());
+                 }
+                 if FontHandle::set_char_size(face, pt_size).is_ok() {
+                     Ok(face)
+                 } else {
+                     Err(())
+                 }
              }
          }
     }
@@ -133,24 +142,26 @@ impl FontHandleMethods for FontHandle {
         if unsafe { (*self.face).style_flags & FT_STYLE_FLAG_BOLD == 0 } {
             default_weight
         } else {
-            let os2 = FT_Get_Sfnt_Table(self.face, ft_sfnt_os2) as *TT_OS2;
-            let valid = os2.is_not_null() && unsafe { (*os2).version != 0xffff };
-            if valid {
-                let weight = unsafe { (*os2).usWeightClass };
-                match weight {
-                  1 | 100..199 => FontWeight100,
-                  2 | 200..299 => FontWeight200,
-                  3 | 300..399 => FontWeight300,
-                  4 | 400..499 => FontWeight400,
-                  5 | 500..599 => FontWeight500,
-                  6 | 600..699 => FontWeight600,
-                  7 | 700..799 => FontWeight700,
-                  8 | 800..899 => FontWeight800,
-                  9 | 900..999 => FontWeight900,
-                  _ => default_weight
+            unsafe {
+                let os2 = FT_Get_Sfnt_Table(self.face, ft_sfnt_os2) as *TT_OS2;
+                let valid = os2.is_not_null() && (*os2).version != 0xffff;
+                if valid {
+                    let weight =(*os2).usWeightClass;
+                    match weight {
+                        1 | 100..199 => FontWeight100,
+                        2 | 200..299 => FontWeight200,
+                        3 | 300..399 => FontWeight300,
+                        4 | 400..499 => FontWeight400,
+                        5 | 500..599 => FontWeight500,
+                        6 | 600..699 => FontWeight600,
+                        7 | 700..799 => FontWeight700,
+                        8 | 800..899 => FontWeight800,
+                        9 | 900..999 => FontWeight900,
+                        _ => default_weight
+                    }
+                } else {
+                    default_weight
                 }
-            } else {
-                default_weight
             }
         }
     }
@@ -162,8 +173,8 @@ impl FontHandleMethods for FontHandle {
             FontSourceMem(ref buf) => {
                 FontHandleMethods::new_from_buffer(fctx, buf.clone(), style)
             }
-            FontSourceFile(copy file) => {
-                FontHandle::new_from_file(fctx, file, style)
+            FontSourceFile(ref file) => {
+                FontHandle::new_from_file(fctx, copy *file, style)
             }
         }
     }
@@ -171,21 +182,23 @@ impl FontHandleMethods for FontHandle {
     pub fn glyph_index(&self,
                        codepoint: char) -> Option<GlyphIndex> {
         assert!(self.face.is_not_null());
-        let idx = FT_Get_Char_Index(self.face, codepoint as FT_ULong);
-        return if idx != 0 as FT_UInt {
-            Some(idx as GlyphIndex)
-        } else {
-            debug!("Invalid codepoint: %?", codepoint);
-            None
-        };
+        unsafe {
+            let idx = FT_Get_Char_Index(self.face, codepoint as FT_ULong);
+            return if idx != 0 as FT_UInt {
+                Some(idx as GlyphIndex)
+            } else {
+                debug!("Invalid codepoint: %?", codepoint);
+                None
+            };
+        }
     }
 
     pub fn glyph_h_advance(&self,
                            glyph: GlyphIndex) -> Option<FractionalPixel> {
         assert!(self.face.is_not_null());
-        let res =  FT_Load_Glyph(self.face, glyph as FT_UInt, 0);
-        if res.succeeded() {
-            unsafe {
+        unsafe {
+            let res =  FT_Load_Glyph(self.face, glyph as FT_UInt, 0);
+            if res.succeeded() {
                 let void_glyph = (*self.face).glyph;
                 let slot: FT_GlyphSlot = cast::transmute(void_glyph);
                 assert!(slot.is_not_null());
@@ -194,10 +207,10 @@ impl FontHandleMethods for FontHandle {
                 debug!("h_advance for %? is %?", glyph, advance);
                 let advance = advance as i32;
                 return Some(fixed_to_float_ft(advance) as FractionalPixel);
+            } else {
+                debug!("Unable to load glyph %?. reason: %?", glyph, res);
+                return None;
             }
-        } else {
-            debug!("Unable to load glyph %?. reason: %?", glyph, res);
-            return None;
         }
     }
 
@@ -229,62 +242,68 @@ impl FontHandleMethods for FontHandle {
     }
 }
 
-pub impl<'self> FontHandle {
+impl<'self> FontHandle {
     priv fn set_char_size(face: FT_Face, pt_size: float) -> Result<(), ()>{
         let char_width = float_to_fixed_ft(pt_size) as FT_F26Dot6;
         let char_height = float_to_fixed_ft(pt_size) as FT_F26Dot6;
         let h_dpi = 72;
         let v_dpi = 72;
 
-        let result = FT_Set_Char_Size(face, char_width, char_height, h_dpi, v_dpi);
-        if result.succeeded() { Ok(()) } else { Err(()) }
+        unsafe {
+            let result = FT_Set_Char_Size(face, char_width, char_height, h_dpi, v_dpi);
+            if result.succeeded() { Ok(()) } else { Err(()) }
+        }
     }
 
     pub fn new_from_file(fctx: &FontContextHandle, file: ~str,
                          style: &SpecifiedFontStyle) -> Result<FontHandle, ()> {
-        let ft_ctx: FT_Library = fctx.ctx.ctx;
-        if ft_ctx.is_null() { return Err(()); }
-
-        let mut face: FT_Face = ptr::null();
-        let face_index = 0 as FT_Long;
-        do str::as_c_str(file) |file_str| {
-            FT_New_Face(ft_ctx, file_str,
-                        face_index, ptr::to_mut_unsafe_ptr(&mut face));
-        }
-        if face.is_null() {
-            return Err(());
-        }
-        if FontHandle::set_char_size(face, style.pt_size).is_ok() {
-            Ok(FontHandle {
-                source: FontSourceFile(file),
-                face: face,
-                handle: *fctx
-            })
-        } else {
-            Err(())
+        unsafe {
+            let ft_ctx: FT_Library = fctx.ctx.ctx;
+            if ft_ctx.is_null() { return Err(()); }
+
+            let mut face: FT_Face = ptr::null();
+            let face_index = 0 as FT_Long;
+            do str::as_c_str(file) |file_str| {
+                FT_New_Face(ft_ctx, file_str,
+                            face_index, ptr::to_mut_unsafe_ptr(&mut face));
+            }
+            if face.is_null() {
+                return Err(());
+            }
+            if FontHandle::set_char_size(face, style.pt_size).is_ok() {
+                Ok(FontHandle {
+                    source: FontSourceFile(file),
+                    face: face,
+                    handle: *fctx
+                })
+            } else {
+                Err(())
+            }
         }
     }
 
     pub fn new_from_file_unstyled(fctx: &FontContextHandle, file: ~str)
                                -> Result<FontHandle, ()> {
-        let ft_ctx: FT_Library = fctx.ctx.ctx;
-        if ft_ctx.is_null() { return Err(()); }
+        unsafe {
+            let ft_ctx: FT_Library = fctx.ctx.ctx;
+            if ft_ctx.is_null() { return Err(()); }
+
+            let mut face: FT_Face = ptr::null();
+            let face_index = 0 as FT_Long;
+            do str::as_c_str(file) |file_str| {
+                FT_New_Face(ft_ctx, file_str,
+                            face_index, ptr::to_mut_unsafe_ptr(&mut face));
+            }
+            if face.is_null() {
+                return Err(());
+            }
 
-        let mut face: FT_Face = ptr::null();
-        let face_index = 0 as FT_Long;
-        do str::as_c_str(file) |file_str| {
-            FT_New_Face(ft_ctx, file_str,
-                        face_index, ptr::to_mut_unsafe_ptr(&mut face));
-        }
-        if face.is_null() {
-            return Err(());
+            Ok(FontHandle {
+                source: FontSourceFile(file),
+                face: face,
+                handle: *fctx
+            })
         }
-
-        Ok(FontHandle {
-            source: FontSourceFile(file),
-            face: face,
-            handle: *fctx
-        })
     }
 
     priv fn get_face_rec(&'self self) -> &'self FT_FaceRec {
diff --git a/src/components/gfx/platform/linux/font_context.rs b/src/components/gfx/platform/linux/font_context.rs
index 4797dddba1a..625ea0f490a 100644
--- a/src/components/gfx/platform/linux/font_context.rs
+++ b/src/components/gfx/platform/linux/font_context.rs
@@ -8,8 +8,9 @@ use font_context::FontContextHandleMethods;
 use platform::font_list::path_from_identifier;
 
 use freetype::freetype::{FTErrorMethods, FT_Library};
-use freetype::freetype::bindgen::{FT_Done_FreeType, FT_Init_FreeType};
+use freetype::freetype::{FT_Done_FreeType, FT_Init_FreeType};
 
+use std::ptr;
 
 struct FreeTypeLibraryHandle {
     ctx: FT_Library,
@@ -18,7 +19,9 @@ struct FreeTypeLibraryHandle {
 impl Drop for FreeTypeLibraryHandle {
     fn finalize(&self) {
         assert!(self.ctx.is_not_null());
-        FT_Done_FreeType(self.ctx);
+        unsafe {
+            FT_Done_FreeType(self.ctx);
+        }
     }
 }
 
@@ -26,14 +29,16 @@ pub struct FontContextHandle {
     ctx: @FreeTypeLibraryHandle,
 }
 
-pub impl FontContextHandle {
+impl FontContextHandle {
     pub fn new() -> FontContextHandle {
-        let ctx: FT_Library = ptr::null();
-        let result = FT_Init_FreeType(ptr::to_unsafe_ptr(&ctx));
-        if !result.succeeded() { fail!(); }
-
-        FontContextHandle { 
-            ctx: @FreeTypeLibraryHandle { ctx: ctx },
+        unsafe {
+            let ctx: FT_Library = ptr::null();
+            let result = FT_Init_FreeType(ptr::to_unsafe_ptr(&ctx));
+            if !result.succeeded() { fail!(); }
+
+            FontContextHandle { 
+                ctx: @FreeTypeLibraryHandle { ctx: ctx },
+            }
         }
     }
 }
diff --git a/src/components/gfx/platform/linux/font_list.rs b/src/components/gfx/platform/linux/font_list.rs
index 1d8f9ddd007..919eaa5c907 100644
--- a/src/components/gfx/platform/linux/font_list.rs
+++ b/src/components/gfx/platform/linux/font_list.rs
@@ -9,7 +9,7 @@ use fontconfig::fontconfig::{
     FcChar8, FcResultMatch, FcSetSystem, FcPattern,
     FcResultNoMatch, FcMatchPattern, FC_SLANT_ITALIC, FC_WEIGHT_BOLD
 };
-use fontconfig::fontconfig::bindgen::{
+use fontconfig::fontconfig::{
     FcConfigGetCurrent, FcConfigGetFonts, FcPatternGetString,
     FcPatternDestroy, FcFontSetDestroy, FcConfigSubstitute,
     FcDefaultSubstitute, FcPatternCreate, FcPatternAddString, FcPatternAddInteger,
@@ -24,20 +24,23 @@ use font_list::{FontEntry, FontFamily, FontFamilyMap};
 use platform::font::FontHandle;
 use platform::font_context::FontContextHandle;
 
-use core::hashmap::HashMap;
-use core::libc::c_int;
-use core::ptr::Ptr;
+use std::hashmap::HashMap;
+use std::libc;
+use std::libc::c_int;
+use std::ptr;
+use std::str;
+use std::uint;
 
 pub struct FontListHandle {
     fctx: FontContextHandle,
 }
 
-pub impl FontListHandle {
+impl FontListHandle {
     pub fn new(fctx: &FontContextHandle) -> FontListHandle {
         FontListHandle { fctx: fctx.clone() }
     }
 
-    fn get_available_families(&self) -> FontFamilyMap {
+    pub fn get_available_families(&self) -> FontFamilyMap {
         let mut family_map : FontFamilyMap = HashMap::new();
         unsafe {
             let config = FcConfigGetCurrent();
@@ -60,12 +63,12 @@ pub impl FontListHandle {
         return family_map;
     }
 
-    fn load_variations_for_family(&self, family: @mut FontFamily) {
+    pub fn load_variations_for_family(&self, family: @mut FontFamily) {
         debug!("getting variations for %?", family);
-        let config = FcConfigGetCurrent();
-        let font_set = FcConfigGetFonts(config, FcSetSystem);
-        let font_set_array_ptr = ptr::to_unsafe_ptr(&font_set);
         unsafe {
+            let config = FcConfigGetCurrent();
+            let font_set = FcConfigGetFonts(config, FcSetSystem);
+            let font_set_array_ptr = ptr::to_unsafe_ptr(&font_set);
             let pattern = FcPatternCreate();
             assert!(pattern.is_not_null());
             do str::as_c_str("family") |FC_FAMILY| {
@@ -126,7 +129,7 @@ pub impl FontListHandle {
         }
     }
 
-    fn get_last_resort_font_families() -> ~[~str] {
+    pub fn get_last_resort_font_families() -> ~[~str] {
         ~[~"Arial"]
     }
 }
@@ -137,7 +140,9 @@ struct AutoPattern {
 
 impl Drop for AutoPattern {
     fn finalize(&self) {
-        FcPatternDestroy(self.pattern);
+        unsafe {
+            FcPatternDestroy(self.pattern);
+        }
     }
 }
 
diff --git a/src/components/gfx/platform/macos/font.rs b/src/components/gfx/platform/macos/font.rs
index 4ba94d2d1a8..f4d0beddb31 100644
--- a/src/components/gfx/platform/macos/font.rs
+++ b/src/components/gfx/platform/macos/font.rs
@@ -28,6 +28,9 @@ use core_text::font_descriptor::{SymbolicTraitAccessors, TraitAccessors};
 use core_text::font_descriptor::{kCTFontDefaultOrientation};
 use core_text;
 
+use std::ptr;
+use std::vec;
+
 pub struct FontTable {
     data: CFData,
 }
@@ -37,8 +40,8 @@ impl Drop for FontTable {
     fn finalize(&self) {}
 }
 
-pub impl FontTable {
-    fn wrap(data: CFData) -> FontTable {
+impl FontTable {
+    pub fn wrap(data: CFData) -> FontTable {
         FontTable { data: data }
     }
 }
@@ -54,15 +57,15 @@ pub struct FontHandle {
     ctfont: CTFont,
 }
 
-pub impl FontHandle {
-    fn new_from_CTFont(_: &FontContextHandle, ctfont: CTFont) -> Result<FontHandle, ()> {
+impl FontHandle {
+    pub fn new_from_CTFont(_: &FontContextHandle, ctfont: CTFont) -> Result<FontHandle, ()> {
         Ok(FontHandle {
-            mut cgfont: None,
+            cgfont: None,
             ctfont: ctfont,
         })
     }
 
-    fn get_CGFont(&mut self) -> CGFont {
+    pub fn get_CGFont(&mut self) -> CGFont {
         match self.cgfont {
             Some(ref font) => font.clone(),
             None => {
diff --git a/src/components/gfx/platform/macos/font_context.rs b/src/components/gfx/platform/macos/font_context.rs
index 1d780cae5cf..a96390d3537 100644
--- a/src/components/gfx/platform/macos/font_context.rs
+++ b/src/components/gfx/platform/macos/font_context.rs
@@ -8,11 +8,13 @@ use platform::macos::font::FontHandle;
 
 use core_text;
 
+use std::result;
+
 pub struct FontContextHandle {
     ctx: ()
 }
 
-pub impl FontContextHandle {
+impl FontContextHandle {
     // this is a placeholder until NSFontManager or whatever is bound in here.
     pub fn new() -> FontContextHandle {
         FontContextHandle { ctx: () }
diff --git a/src/components/gfx/platform/macos/font_list.rs b/src/components/gfx/platform/macos/font_list.rs
index 39f24f68fb4..85e22405745 100644
--- a/src/components/gfx/platform/macos/font_list.rs
+++ b/src/components/gfx/platform/macos/font_list.rs
@@ -15,20 +15,21 @@ use core_text::font_collection::CTFontCollectionMethods;
 use core_text::font_descriptor::CTFontDescriptorRef;
 use core_text;
 
-use core::hashmap::HashMap;
+use std::hashmap::HashMap;
+use std::result;
 
 pub struct FontListHandle {
     fctx: FontContextHandle,
 }
 
-pub impl FontListHandle {
-    fn new(fctx: &FontContextHandle) -> FontListHandle {
+impl FontListHandle {
+    pub fn new(fctx: &FontContextHandle) -> FontListHandle {
         FontListHandle {
             fctx: fctx.clone()
         }
     }
 
-    fn get_available_families(&self) -> FontFamilyMap {
+    pub fn get_available_families(&self) -> FontFamilyMap {
         let family_names: CFArray<CFStringRef> = core_text::font_collection::get_family_names();
         let mut family_map: FontFamilyMap = HashMap::new();
         for family_names.each |&strref: &CFStringRef| {
@@ -41,7 +42,7 @@ pub impl FontListHandle {
         return family_map;
     }
 
-    fn load_variations_for_family(&self, family: @mut FontFamily) {
+    pub fn load_variations_for_family(&self, family: @mut FontFamily) {
         debug!("Looking for faces of family: %s", family.family_name);
 
         let family_collection = core_text::font_collection::create_for_family(family.family_name);
@@ -56,7 +57,7 @@ pub impl FontListHandle {
         }
     }
 
-    fn get_last_resort_font_families() -> ~[~str] {
+    pub fn get_last_resort_font_families() -> ~[~str] {
         ~[~"Arial Unicode MS",~"Arial"]
     }
 }
diff --git a/src/components/gfx/render_context.rs b/src/components/gfx/render_context.rs
index 8b3c9954f5e..415339834a2 100644
--- a/src/components/gfx/render_context.rs
+++ b/src/components/gfx/render_context.rs
@@ -10,13 +10,12 @@ use opts::Opts;
 use azure::azure_hl::{B8G8R8A8, Color, ColorPattern, DrawOptions};
 use azure::azure_hl::{DrawSurfaceOptions, DrawTarget, Linear, StrokeOptions};
 use azure::AzFloat;
-use core::libc::types::common::c99::uint16_t;
+use std::libc::types::common::c99::uint16_t;
 use geom::point::Point2D;
 use geom::rect::Rect;
 use geom::size::Size2D;
 use servo_net::image::base::Image;
-use std::arc;
-use std::arc::ARC;
+use extra::arc::ARC;
 
 pub struct RenderContext<'self> {
     canvas: &'self LayerBuffer,
@@ -24,7 +23,7 @@ pub struct RenderContext<'self> {
     opts: &'self Opts
 }
 
-pub impl<'self> RenderContext<'self>  {
+impl<'self> RenderContext<'self>  {
     pub fn get_draw_target(&self) -> &'self DrawTarget {
         &self.canvas.draw_target
     }
@@ -52,7 +51,7 @@ pub impl<'self> RenderContext<'self>  {
     }
 
     pub fn draw_image(&self, bounds: Rect<Au>, image: ARC<~Image>) {
-        let image = arc::get(&image);
+        let image = image.get();
         let size = Size2D(image.width as i32, image.height as i32);
         let stride = image.width * 4;
 
@@ -72,7 +71,7 @@ pub impl<'self> RenderContext<'self>  {
                                      draw_options);
     }
 
-    fn clear(&self) {
+    pub fn clear(&self) {
         let pattern = ColorPattern(Color(1.0, 1.0, 1.0, 1.0));
         let rect = Rect(Point2D(self.canvas.rect.origin.x as AzFloat,
                                 self.canvas.rect.origin.y as AzFloat),
@@ -84,12 +83,12 @@ pub impl<'self> RenderContext<'self>  {
 }
 
 trait to_float {
-    fn to_float(self) -> float;
+    fn to_float(&self) -> float;
 }
 
 impl to_float for u8 {
-    fn to_float(self) -> float {
-        (self as float) / 255f
+    fn to_float(&self) -> float {
+        (*self as float) / 255f
     }
 }
 
diff --git a/src/components/gfx/render_task.rs b/src/components/gfx/render_task.rs
index 32368265deb..62d2094c1e3 100644
--- a/src/components/gfx/render_task.rs
+++ b/src/components/gfx/render_task.rs
@@ -17,8 +17,9 @@ use geom::rect::Rect;
 use opts::Opts;
 use render_context::RenderContext;
 
-use core::cell::Cell;
-use core::comm::{Chan, Port, SharedChan};
+use std::cell::Cell;
+use std::comm::{Chan, Port, SharedChan};
+use std::uint;
 
 use servo_util::time::{ProfilerChan, profile};
 use servo_util::time;
@@ -62,9 +63,9 @@ pub fn create_render_task<C: RenderListener + Owned>(port: Port<Msg<C>>,
                                                      compositor: C,
                                                      opts: Opts,
                                                      profiler_chan: ProfilerChan) {
-    let compositor_cell = Cell(compositor);
-    let opts_cell = Cell(opts);
-    let port = Cell(port);
+    let compositor_cell = Cell::new(compositor);
+    let opts_cell = Cell::new(opts);
+    let port = Cell::new(port);
 
     do spawn {
         let compositor = compositor_cell.take();
diff --git a/src/components/gfx/surface.rs b/src/components/gfx/surface.rs
index f1d4e95e658..4c965db812b 100644
--- a/src/components/gfx/surface.rs
+++ b/src/components/gfx/surface.rs
@@ -2,6 +2,7 @@
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 
+use std::vec;
 use geom::size::Size2D;
 
 #[deriving(Eq)]
diff --git a/src/components/gfx/text/glyph.rs b/src/components/gfx/text/glyph.rs
index 7a1dfea9467..7789b4174e7 100644
--- a/src/components/gfx/text/glyph.rs
+++ b/src/components/gfx/text/glyph.rs
@@ -2,19 +2,20 @@
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 
-use servo_util::range::Range;
 use servo_util::vec::*;
 use servo_util::range::Range;
 
 use geometry::Au;
 use geometry;
 
-use core::cmp::{Ord, Eq};
-use core::num::NumCast;
-use core::u16;
-use core;
+use std::cmp::{Ord, Eq};
+use std::num::NumCast;
+use std::u16;
+use std::vec;
+use std::uint;
+use std::util;
 use geom::point::Point2D;
-use std::sort;
+use extra::sort;
 
 /// GlyphEntry is a port of Gecko's CompressedGlyph scheme for storing glyph data compactly.
 ///
@@ -403,11 +404,11 @@ impl<'self> DetailedGlyphStore {
 
         // Thar be dragons here. You have been warned. (Tips accepted.)
         let mut unsorted_records: ~[DetailedGlyphRecord] = ~[];
-        core::util::swap(&mut self.detail_lookup, &mut unsorted_records);
+        util::swap(&mut self.detail_lookup, &mut unsorted_records);
         let mut mut_records : ~[DetailedGlyphRecord] = unsorted_records;
         sort::quick_sort3(mut_records);
         let mut sorted_records = mut_records;
-        core::util::swap(&mut self.detail_lookup, &mut sorted_records);
+        util::swap(&mut self.detail_lookup, &mut sorted_records);
 
         self.lookup_is_sorted = true;
     }
@@ -468,7 +469,8 @@ impl<'self> GlyphInfo<'self> {
     }
 
     #[inline(always)]
-    fn advance(self) -> Au {
+    // FIXME: Resolution conflicts with IteratorUtil trait so adding trailing _
+    fn advance_(self) -> Au {
         match self {
             SimpleGlyphInfo(store, entry_i) => store.entry_buffer[entry_i].advance(),
             DetailGlyphInfo(store, entry_i, detail_j) => {
@@ -507,10 +509,10 @@ pub struct GlyphStore {
     detail_store: DetailedGlyphStore,
 }
 
-pub impl<'self> GlyphStore {
+impl<'self> GlyphStore {
     // Initializes the glyph store, but doesn't actually shape anything.
     // Use the set_glyph, set_glyphs() methods to store glyph data.
-    fn new(length: uint) -> GlyphStore {
+    pub fn new(length: uint) -> GlyphStore {
         assert!(length > 0);
 
         GlyphStore {
@@ -519,11 +521,11 @@ pub impl<'self> GlyphStore {
         }
     }
 
-    fn finalize_changes(&mut self) {
+    pub fn finalize_changes(&mut self) {
         self.detail_store.ensure_sorted();
     }
 
-    fn add_glyph_for_char_index(&mut self, i: uint, data: &GlyphData) {
+    pub fn add_glyph_for_char_index(&mut self, i: uint, data: &GlyphData) {
         fn glyph_is_compressible(data: &GlyphData) -> bool {
             is_simple_glyph_id(data.index)
                 && is_simple_advance(data.advance)
@@ -547,7 +549,7 @@ pub impl<'self> GlyphStore {
         self.entry_buffer[i] = entry;
     }
 
-    fn add_glyphs_for_char_index(&mut self, i: uint, data_for_glyphs: &[GlyphData]) {
+    pub fn add_glyphs_for_char_index(&mut self, i: uint, data_for_glyphs: &[GlyphData]) {
         assert!(i < self.entry_buffer.len());
         assert!(data_for_glyphs.len() > 0);
 
@@ -576,7 +578,7 @@ pub impl<'self> GlyphStore {
     }
 
     // used when a character index has no associated glyph---for example, a ligature continuation.
-    fn add_nonglyph_for_char_index(&mut self, i: uint, cluster_start: bool, ligature_start: bool) {
+    pub fn add_nonglyph_for_char_index(&mut self, i: uint, cluster_start: bool, ligature_start: bool) {
         assert!(i < self.entry_buffer.len());
 
         let entry = GlyphEntry::complex(cluster_start, ligature_start, 0);
@@ -585,7 +587,7 @@ pub impl<'self> GlyphStore {
         self.entry_buffer[i] = entry;
     }
 
-    fn iter_glyphs_for_char_index(&'self self,
+    pub fn iter_glyphs_for_char_index(&'self self,
                                   i: uint,
                                   cb: &fn(uint, &GlyphInfo<'self>) -> bool)
                                   -> bool {
@@ -609,7 +611,7 @@ pub impl<'self> GlyphStore {
         true
     }
 
-    fn iter_glyphs_for_char_range(&'self self,
+    pub fn iter_glyphs_for_char_range(&'self self,
                                   range: &Range,
                                   callback: &fn(uint, &GlyphInfo<'self>) -> bool)
                                   -> bool {
@@ -631,7 +633,7 @@ pub impl<'self> GlyphStore {
         true
     }
 
-    fn iter_all_glyphs(&'self self, cb: &fn(uint, &GlyphInfo<'self>) -> bool) -> bool {
+    pub fn iter_all_glyphs(&'self self, cb: &fn(uint, &GlyphInfo<'self>) -> bool) -> bool {
         for uint::range(0, self.entry_buffer.len()) |i| {
             if !self.iter_glyphs_for_char_index(i, cb) {
                 break;
@@ -642,56 +644,56 @@ pub impl<'self> GlyphStore {
     }
 
     // getter methods
-    fn char_is_space(&self, i: uint) -> bool {
+    pub fn char_is_space(&self, i: uint) -> bool {
         assert!(i < self.entry_buffer.len());
         self.entry_buffer[i].char_is_space()
     }
 
-    fn char_is_tab(&self, i: uint) -> bool {
+    pub fn char_is_tab(&self, i: uint) -> bool {
         assert!(i < self.entry_buffer.len());
         self.entry_buffer[i].char_is_tab()
     }
 
-    fn char_is_newline(&self, i: uint) -> bool {
+    pub fn char_is_newline(&self, i: uint) -> bool {
         assert!(i < self.entry_buffer.len());
         self.entry_buffer[i].char_is_newline()
     }
 
-    fn is_ligature_start(&self, i: uint) -> bool {
+    pub fn is_ligature_start(&self, i: uint) -> bool {
         assert!(i < self.entry_buffer.len());
         self.entry_buffer[i].is_ligature_start()
     }
 
-    fn is_cluster_start(&self, i: uint) -> bool {
+    pub fn is_cluster_start(&self, i: uint) -> bool {
         assert!(i < self.entry_buffer.len());
         self.entry_buffer[i].is_cluster_start()
     }
 
-    fn can_break_before(&self, i: uint) -> BreakType {
+    pub fn can_break_before(&self, i: uint) -> BreakType {
         assert!(i < self.entry_buffer.len());
         self.entry_buffer[i].can_break_before()
     }
 
     // setter methods
-    fn set_char_is_space(&mut self, i: uint) {
+    pub fn set_char_is_space(&mut self, i: uint) {
         assert!(i < self.entry_buffer.len());
         let entry = self.entry_buffer[i];
         self.entry_buffer[i] = entry.set_char_is_space();
     }
 
-    fn set_char_is_tab(&mut self, i: uint) {
+    pub fn set_char_is_tab(&mut self, i: uint) {
         assert!(i < self.entry_buffer.len());
         let entry = self.entry_buffer[i];
         self.entry_buffer[i] = entry.set_char_is_tab();
     }
 
-    fn set_char_is_newline(&mut self, i: uint) {
+    pub fn set_char_is_newline(&mut self, i: uint) {
         assert!(i < self.entry_buffer.len());
         let entry = self.entry_buffer[i];
         self.entry_buffer[i] = entry.set_char_is_newline();
     }
 
-    fn set_can_break_before(&mut self, i: uint, t: BreakType) {
+    pub fn set_can_break_before(&mut self, i: uint, t: BreakType) {
         assert!(i < self.entry_buffer.len());
         let entry = self.entry_buffer[i];
         self.entry_buffer[i] = entry.set_can_break_before(t);
diff --git a/src/components/gfx/text/shaping/harfbuzz.rs b/src/components/gfx/text/shaping/harfbuzz.rs
index f7cbceb459e..560f25d72b4 100644
--- a/src/components/gfx/text/shaping/harfbuzz.rs
+++ b/src/components/gfx/text/shaping/harfbuzz.rs
@@ -4,8 +4,6 @@
 
 extern mod harfbuzz;
 
-use geom::Point2D;
-
 use font::{Font, FontHandleMethods, FontTableMethods, FontTableTag};
 use geometry::Au;
 use platform::font::FontTable;
@@ -14,45 +12,37 @@ use text::shaping::ShaperMethods;
 use servo_util::range::Range;
 use text::util::{float_to_fixed, fixed_to_float, fixed_to_rounded_int};
 
-use core::cast::transmute;
-use core::libc::{c_uint, c_int, c_void, c_char};
-use core::ptr::null;
-use core::util::ignore;
+use std::cast::transmute;
+use std::libc::{c_uint, c_int, c_void, c_char};
+use std::ptr;
+use std::ptr::null;
+use std::str;
+use std::uint;
+use std::util::ignore;
+use std::vec;
 use geom::Point2D;
-use harfbuzz::bindgen::{hb_blob_create, hb_face_create_for_tables};
-use harfbuzz::bindgen::{hb_buffer_add_utf8, hb_shape};
-use harfbuzz::bindgen::{hb_buffer_create};
-use harfbuzz::bindgen::{hb_buffer_destroy, hb_buffer_add_utf8};
-use harfbuzz::bindgen::{hb_buffer_get_glyph_infos};
-use harfbuzz::bindgen::{hb_buffer_get_glyph_positions};
-use harfbuzz::bindgen::{hb_buffer_get_glyph_positions};
-use harfbuzz::bindgen::{hb_buffer_set_direction};
-use harfbuzz::bindgen::{hb_buffer_set_direction};
-use harfbuzz::bindgen::{hb_face_destroy, hb_font_create};
-use harfbuzz::bindgen::{hb_face_destroy};
-use harfbuzz::bindgen::{hb_font_create, hb_font_destroy};
-use harfbuzz::bindgen::{hb_font_destroy, hb_buffer_create};
-use harfbuzz::bindgen::{hb_font_funcs_create, hb_font_funcs_destroy};
-use harfbuzz::bindgen::{hb_font_funcs_create};
-use harfbuzz::bindgen::{hb_font_funcs_destroy};
-use harfbuzz::bindgen::{hb_font_funcs_set_glyph_func};
-use harfbuzz::bindgen::{hb_font_funcs_set_glyph_func};
-use harfbuzz::bindgen::{hb_font_funcs_set_glyph_h_advance_func};
-use harfbuzz::bindgen::{hb_font_funcs_set_glyph_h_advance_func};
-use harfbuzz::bindgen::{hb_font_set_funcs};
-use harfbuzz::bindgen::{hb_font_set_funcs};
-use harfbuzz::bindgen::{hb_font_set_ppem, hb_font_set_scale};
-use harfbuzz::bindgen::{hb_font_set_ppem};
-use harfbuzz::bindgen::{hb_font_set_scale};
-use harfbuzz::bindgen::{hb_shape, hb_buffer_get_glyph_infos};
-use harfbuzz::{HB_MEMORY_MODE_READONLY, HB_DIRECTION_LTR, hb_blob_t};
+use harfbuzz::{hb_blob_create, hb_face_create_for_tables};
+use harfbuzz::{hb_buffer_add_utf8};
+use harfbuzz::{hb_buffer_get_glyph_positions};
+use harfbuzz::{hb_buffer_set_direction};
+use harfbuzz::{hb_buffer_destroy};
+use harfbuzz::{hb_face_destroy};
+use harfbuzz::{hb_font_create};
+use harfbuzz::{hb_font_destroy, hb_buffer_create};
+use harfbuzz::{hb_font_funcs_create};
+use harfbuzz::{hb_font_funcs_destroy};
+use harfbuzz::{hb_font_funcs_set_glyph_func};
+use harfbuzz::{hb_font_funcs_set_glyph_h_advance_func};
+use harfbuzz::{hb_font_set_funcs};
+use harfbuzz::{hb_font_set_ppem};
+use harfbuzz::{hb_font_set_scale};
+use harfbuzz::{hb_shape, hb_buffer_get_glyph_infos};
 use harfbuzz::{HB_MEMORY_MODE_READONLY, HB_DIRECTION_LTR};
-use harfbuzz::{hb_blob_t, hb_face_t, hb_font_t, hb_font_funcs_t};
-use harfbuzz::{hb_buffer_t, hb_codepoint_t, hb_bool_t};
+use harfbuzz::{hb_blob_t};
+use harfbuzz::{hb_bool_t};
 use harfbuzz::{hb_face_t, hb_font_t};
 use harfbuzz::{hb_font_funcs_t, hb_buffer_t, hb_codepoint_t};
-use harfbuzz::{hb_glyph_info_t, hb_position_t};
-use harfbuzz::{hb_glyph_position_t, hb_glyph_info_t};
+use harfbuzz::{hb_glyph_info_t};
 use harfbuzz::{hb_glyph_position_t};
 use harfbuzz::{hb_position_t, hb_tag_t};
 
@@ -74,19 +64,21 @@ pub struct ShapedGlyphEntry {
 
 impl ShapedGlyphData {
     pub fn new(buffer: *hb_buffer_t) -> ShapedGlyphData {
-        let glyph_count = 0;
-        let glyph_infos = hb_buffer_get_glyph_infos(buffer, &glyph_count);
-        let glyph_count = glyph_count as uint;
-        assert!(glyph_infos.is_not_null());
-        let pos_count = 0;
-        let pos_infos = hb_buffer_get_glyph_positions(buffer, &pos_count);
-        assert!(pos_infos.is_not_null());
-        assert!(glyph_count == pos_count as uint);
-
-        ShapedGlyphData {
-            count: glyph_count,
-            glyph_infos: glyph_infos,
-            pos_infos: pos_infos,
+        unsafe {
+            let glyph_count = 0;
+            let glyph_infos = hb_buffer_get_glyph_infos(buffer, &glyph_count);
+            let glyph_count = glyph_count as uint;
+            assert!(glyph_infos.is_not_null());
+            let pos_count = 0;
+            let pos_infos = hb_buffer_get_glyph_positions(buffer, &pos_count);
+            assert!(pos_infos.is_not_null());
+            assert!(glyph_count == pos_count as uint);
+
+            ShapedGlyphData {
+                count: glyph_count,
+                glyph_infos: glyph_infos,
+                pos_infos: pos_infos,
+            }
         }
     }
 
@@ -152,50 +144,54 @@ pub struct Shaper {
 #[unsafe_destructor]
 impl Drop for Shaper {
     fn finalize(&self) {
-        assert!(self.hb_face.is_not_null());
-        hb_face_destroy(self.hb_face);
+        unsafe {
+            assert!(self.hb_face.is_not_null());
+            hb_face_destroy(self.hb_face);
 
-        assert!(self.hb_font.is_not_null());
-        hb_font_destroy(self.hb_font);
+            assert!(self.hb_font.is_not_null());
+            hb_font_destroy(self.hb_font);
 
-        assert!(self.hb_funcs.is_not_null());
-        hb_font_funcs_destroy(self.hb_funcs);
+            assert!(self.hb_funcs.is_not_null());
+            hb_font_funcs_destroy(self.hb_funcs);
+        }
     }
 }
 
 impl Shaper {
     pub fn new(font: @mut Font) -> Shaper {
-        // Indirection for Rust Issue #6248, dynamic freeze scope artifically extended
-        let font_ptr = {
-            let borrowed_font= &mut *font;
-            borrowed_font as *mut Font
-        };
-        let hb_face: *hb_face_t = hb_face_create_for_tables(get_font_table_func,
-                                                            font_ptr as *c_void,
-                                                            null());
-        let hb_font: *hb_font_t = hb_font_create(hb_face);
-
-        // Set points-per-em. if zero, performs no hinting in that direction.
-        let pt_size = font.style.pt_size;
-        hb_font_set_ppem(hb_font, pt_size as c_uint, pt_size as c_uint);
-
-        // Set scaling. Note that this takes 16.16 fixed point.
-        hb_font_set_scale(hb_font,
-                          Shaper::float_to_fixed(pt_size) as c_int,
-                          Shaper::float_to_fixed(pt_size) as c_int);
-
-        // configure static function callbacks.
-        // NB. This funcs structure could be reused globally, as it never changes.
-        let hb_funcs: *hb_font_funcs_t = hb_font_funcs_create();
-        hb_font_funcs_set_glyph_func(hb_funcs, glyph_func, null(), null());
-        hb_font_funcs_set_glyph_h_advance_func(hb_funcs, glyph_h_advance_func, null(), null());
-        hb_font_set_funcs(hb_font, hb_funcs, font_ptr as *c_void, null());
-
-        Shaper {
-            font: font,
-            hb_face: hb_face,
-            hb_font: hb_font,
-            hb_funcs: hb_funcs,
+        unsafe {
+            // Indirection for Rust Issue #6248, dynamic freeze scope artifically extended
+            let font_ptr = {
+                let borrowed_font= &mut *font;
+                borrowed_font as *mut Font
+            };
+            let hb_face: *hb_face_t = hb_face_create_for_tables(get_font_table_func,
+                                                                font_ptr as *c_void,
+                                                                null());
+            let hb_font: *hb_font_t = hb_font_create(hb_face);
+
+            // Set points-per-em. if zero, performs no hinting in that direction.
+            let pt_size = font.style.pt_size;
+            hb_font_set_ppem(hb_font, pt_size as c_uint, pt_size as c_uint);
+
+            // Set scaling. Note that this takes 16.16 fixed point.
+            hb_font_set_scale(hb_font,
+                              Shaper::float_to_fixed(pt_size) as c_int,
+                              Shaper::float_to_fixed(pt_size) as c_int);
+
+            // configure static function callbacks.
+            // NB. This funcs structure could be reused globally, as it never changes.
+            let hb_funcs: *hb_font_funcs_t = hb_font_funcs_create();
+            hb_font_funcs_set_glyph_func(hb_funcs, glyph_func, null(), null());
+            hb_font_funcs_set_glyph_h_advance_func(hb_funcs, glyph_h_advance_func, null(), null());
+            hb_font_set_funcs(hb_font, hb_funcs, font_ptr as *c_void, null());
+
+            Shaper {
+                font: font,
+                hb_face: hb_face,
+                hb_font: hb_font,
+                hb_funcs: hb_funcs,
+            }
         }
     }
 
@@ -216,21 +212,23 @@ impl ShaperMethods for Shaper {
     /// Calculate the layout metrics associated with the given text when rendered in a specific
     /// font.
     fn shape_text(&self, text: &str, glyphs: &mut GlyphStore) {
-        let hb_buffer: *hb_buffer_t = hb_buffer_create();
-        hb_buffer_set_direction(hb_buffer, HB_DIRECTION_LTR);
-
-        // Using as_buf because it never does a copy - we don't need the trailing null
-        do str::as_buf(text) |ctext: *u8, _: uint| {
-            hb_buffer_add_utf8(hb_buffer,
-                               ctext as *c_char,
-                               text.len() as c_int,
-                               0,
-                               text.len() as c_int);
-        }
+        unsafe {
+            let hb_buffer: *hb_buffer_t = hb_buffer_create();
+            hb_buffer_set_direction(hb_buffer, HB_DIRECTION_LTR);
+
+            // Using as_buf because it never does a copy - we don't need the trailing null
+            do str::as_buf(text) |ctext: *u8, _: uint| {
+                hb_buffer_add_utf8(hb_buffer,
+                                   ctext as *c_char,
+                                   text.len() as c_int,
+                                   0,
+                                   text.len() as c_int);
+            }
 
-        hb_shape(self.hb_font, hb_buffer, null(), 0);
-        self.save_glyph_results(text, glyphs, hb_buffer);
-        hb_buffer_destroy(hb_buffer);
+            hb_shape(self.hb_font, hb_buffer, null(), 0);
+            self.save_glyph_results(text, glyphs, hb_buffer);
+            hb_buffer_destroy(hb_buffer);
+        }
     }
 }
 
@@ -239,7 +237,7 @@ impl Shaper {
         let glyph_data = ShapedGlyphData::new(buffer);
         let glyph_count = glyph_data.len();
         let byte_max = text.len();
-        let char_max = str::char_len(text);
+        let char_max = text.char_len();
 
         // GlyphStore records are indexed by character, not byte offset.
         // so, we must be careful to increment this when saving glyph entries.
@@ -267,7 +265,7 @@ impl Shaper {
             let mut i = 0;
             while i < byte_max {
                 byteToGlyph[i] = NO_GLYPH;
-                let range = str::char_range_at(text, i);
+                let range = text.char_range_at(i);
                 ignore(range.ch);
                 i = range.next;
             }
@@ -292,7 +290,7 @@ impl Shaper {
         debug!("(char idx): char->(glyph index):");
         let mut i = 0u;
         while i < byte_max {
-            let range = str::char_range_at(text, i);
+            let range = text.char_range_at(i);
             debug!("%u: %? --> %d", i, range.ch, byteToGlyph[i] as int);
             i = range.next;
         }
@@ -318,7 +316,7 @@ impl Shaper {
             // find a range of chars corresponding to this glyph, plus
             // any trailing chars that do not have associated glyphs.
             while char_byte_span.end() < byte_max {
-                let range = str::char_range_at(text, char_byte_span.end());
+                let range = text.char_range_at(char_byte_span.end());
                 ignore(range.ch);
                 char_byte_span.extend_to(range.next);
 
@@ -329,7 +327,7 @@ impl Shaper {
                         byteToGlyph[char_byte_span.end()] == NO_GLYPH {
                     debug!("Extending char byte span to include byte offset=%u with no associated \
                             glyph", char_byte_span.end());
-                    let range = str::char_range_at(text, char_byte_span.end());
+                    let range = text.char_range_at(char_byte_span.end());
                     ignore(range.ch);
                     char_byte_span.extend_to(range.next);
                 }
@@ -404,7 +402,7 @@ impl Shaper {
             // extend, clipping at end of text range.
             while covered_byte_span.end() < byte_max
                     && byteToGlyph[covered_byte_span.end()] == NO_GLYPH {
-                let range = str::char_range_at(text, covered_byte_span.end());
+                let range = text.char_range_at(covered_byte_span.end());
                 ignore(range.ch);
                 covered_byte_span.extend_to(range.next);
             }
@@ -457,7 +455,7 @@ impl Shaper {
                 // set the other chars, who have no glyphs
                 let mut i = covered_byte_span.begin();
                 loop {
-                    let range = str::char_range_at(text, i);
+                    let range = text.char_range_at(i);
                     ignore(range.ch);
                     i = range.next;
                     if i >= covered_byte_span.end() { break; }
diff --git a/src/components/gfx/text/text_run.rs b/src/components/gfx/text/text_run.rs
index 905371488dc..50f5c6561b6 100644
--- a/src/components/gfx/text/text_run.rs
+++ b/src/components/gfx/text/text_run.rs
@@ -42,9 +42,9 @@ impl SendableTextRun {
     }
 }
 
-pub impl<'self> TextRun {
-    fn new(font: @mut Font, text: ~str, underline: bool) -> TextRun {
-        let mut glyph_store = GlyphStore::new(str::char_len(text));
+impl<'self> TextRun {
+    pub fn new(font: @mut Font, text: ~str, underline: bool) -> TextRun {
+        let mut glyph_store = GlyphStore::new(text.char_len());
         TextRun::compute_potential_breaks(text, &mut glyph_store);
         do profile(time::LayoutShapingCategory, font.profiler_chan.clone()) {
             font.shape_text(text, &mut glyph_store);
@@ -59,18 +59,18 @@ pub impl<'self> TextRun {
         return run;
     }
 
-    fn teardown(&self) {
+    pub fn teardown(&self) {
         self.font.teardown();
     }
 
-    fn compute_potential_breaks(text: &str, glyphs: &mut GlyphStore) {
+    pub fn compute_potential_breaks(text: &str, glyphs: &mut GlyphStore) {
         // TODO(Issue #230): do a better job. See Gecko's LineBreaker.
 
         let mut byte_i = 0u;
         let mut char_j = 0u;
         let mut prev_is_whitespace = false;
         while byte_i < text.len() {
-            let range = str::char_range_at(text, byte_i);
+            let range = text.char_range_at(byte_i);
             let ch = range.ch;
             let next = range.next;
             // set char properties.
@@ -114,10 +114,10 @@ pub impl<'self> TextRun {
         }
     }
 
-    fn char_len(&self) -> uint { self.glyphs.entry_buffer.len() }
-    fn glyphs(&'self self) -> &'self GlyphStore { &self.glyphs }
+    pub fn char_len(&self) -> uint { self.glyphs.entry_buffer.len() }
+    pub fn glyphs(&'self self) -> &'self GlyphStore { &self.glyphs }
 
-    fn range_is_trimmable_whitespace(&self, range: &Range) -> bool {
+    pub fn range_is_trimmable_whitespace(&self, range: &Range) -> bool {
         for range.eachi |i| {
             if  !self.glyphs.char_is_space(i) &&
                 !self.glyphs.char_is_tab(i)   &&
@@ -126,11 +126,11 @@ pub impl<'self> TextRun {
         return true;
     }
 
-    fn metrics_for_range(&self, range: &Range) -> RunMetrics {
+    pub fn metrics_for_range(&self, range: &Range) -> RunMetrics {
         self.font.measure_text(self, range)
     }
 
-    fn min_width_for_range(&self, range: &Range) -> Au {
+    pub fn min_width_for_range(&self, range: &Range) -> Au {
         let mut max_piece_width = Au(0);
         debug!("iterating outer range %?", range);
         for self.iter_indivisible_pieces_for_range(range) |piece_range| {
@@ -141,7 +141,7 @@ pub impl<'self> TextRun {
         return max_piece_width;
     }
 
-    fn iter_natural_lines_for_range(&self, range: &Range, f: &fn(&Range) -> bool) -> bool {
+    pub fn iter_natural_lines_for_range(&self, range: &Range, f: &fn(&Range) -> bool) -> bool {
         let mut clump = Range::new(range.begin(), 0);
         let mut in_clump = false;
 
@@ -168,7 +168,7 @@ pub impl<'self> TextRun {
         true
     }
 
-    fn iter_indivisible_pieces_for_range(&self, range: &Range, f: &fn(&Range) -> bool) -> bool {
+    pub fn iter_indivisible_pieces_for_range(&self, range: &Range, f: &fn(&Range) -> bool) -> bool {
         let mut clump = Range::new(range.begin(), 0);
 
         loop {
diff --git a/src/components/gfx/text/util.rs b/src/components/gfx/text/util.rs
index d328fa047e8..3b074685430 100644
--- a/src/components/gfx/text/util.rs
+++ b/src/components/gfx/text/util.rs
@@ -38,7 +38,7 @@ pub fn transform_text(text: &str, mode: CompressionMode, incoming_whitespace: bo
     let mut out_str: ~str = ~"";
     let out_whitespace = match mode {
         CompressNone | DiscardNewline => {
-            for str::each_char(text) |ch: char| {
+            for text.iter().advance |ch: char| {
                 if is_discardable_char(ch, mode) {
                     // TODO: record skipped char
                 } else {
@@ -46,7 +46,7 @@ pub fn transform_text(text: &str, mode: CompressionMode, incoming_whitespace: bo
                     if ch == '\t' {
                         // TODO: set "has tab" flag
                     }
-                    str::push_char(&mut out_str, ch);
+                    out_str.push_char(ch);
                 }
             }
             text.len() > 0 && is_in_whitespace(text.char_at_reverse(0), mode)
@@ -54,7 +54,7 @@ pub fn transform_text(text: &str, mode: CompressionMode, incoming_whitespace: bo
 
         CompressWhitespace | CompressWhitespaceNewline => {
             let mut in_whitespace: bool = incoming_whitespace;
-            for str::each_char(text) |ch: char| {
+            for text.iter().advance |ch: char| {
                 // TODO: discard newlines between CJK chars
                 let mut next_in_whitespace: bool = is_in_whitespace(ch, mode);
                 
@@ -65,14 +65,14 @@ pub fn transform_text(text: &str, mode: CompressionMode, incoming_whitespace: bo
                         // TODO: record skipped char
                     } else {
                         // TODO: record kept char
-                        str::push_char(&mut out_str, ch);
+                        out_str.push_char(ch);
                     }
                 } else { /* next_in_whitespace; possibly add a space char */
                     if in_whitespace {
                         // TODO: record skipped char
                     } else {
                         // TODO: record kept char
-                        str::push_char(&mut out_str, ' ');
+                        out_str.push_char(' ');
                     }
                 }
                 // save whitespace context for next char
diff --git a/src/components/main/compositing/mod.rs b/src/components/main/compositing/mod.rs
index c56c179707d..29d2041b2c6 100644
--- a/src/components/main/compositing/mod.rs
+++ b/src/components/main/compositing/mod.rs
@@ -14,10 +14,12 @@ use gfx::render_task::{RenderChan, ReRenderMsg};
 
 use azure::azure_hl::{DataSourceSurface, DrawTarget, SourceSurfaceMethods, current_gl_context};
 use azure::azure::AzGLContext;
-use core::cell::Cell;
-use core::comm::{Chan, SharedChan, Port};
-use core::num::Orderable;
-use core::util;
+use std::cell::Cell;
+use std::comm;
+use std::comm::{Chan, SharedChan, Port};
+use std::num::Orderable;
+use std::task;
+use std::util;
 use geom::matrix::identity;
 use geom::point::Point2D;
 use geom::size::Size2D;
@@ -137,8 +139,8 @@ impl CompositorTask {
     pub fn create(port: Port<Msg>,
                                   profiler_chan: ProfilerChan,
                                   shutdown_chan: Chan<()>) {
-        let port = Cell(port);
-        let shutdown_chan = Cell(shutdown_chan);
+        let port = Cell::new(port);
+        let shutdown_chan = Cell::new(shutdown_chan);
         do on_osmain {
             let compositor_task = CompositorTask::new(port.take(),
                                                       profiler_chan.clone(),
@@ -158,7 +160,7 @@ impl CompositorTask {
         // list. This is only here because we don't have that logic in the renderer yet.
         let context = rendergl::init_render_context();
         let root_layer = @mut ContainerLayer();
-        let scene = @mut Scene(ContainerLayerKind(root_layer), Size2D(800.0, 600.0), identity());
+        let scene = @mut Scene(ContainerLayerKind(root_layer), Size2D(800.0f32, 600.0), identity());
         let done = @mut false;
 
         // FIXME: This should not be a separate offset applied after the fact but rather should be
@@ -181,7 +183,7 @@ impl CompositorTask {
             // Hook the windowing system's resize callback up to the resize rate limiter.
             do window.set_resize_callback |width, height| {
                 debug!("osmain: window resized to %ux%u", width, height);
-                *window_size = Size2D(width, height);
+                *window_size = Size2D(width as int, height as int);
                 layout_chan_clone.chan.send(RouteScriptMsg(SendEventMsg(ResizeEvent(width, height))));
             }
 
diff --git a/src/components/main/css/node_util.rs b/src/components/main/css/node_util.rs
index ff9295d12a8..0342d8e2dc7 100644
--- a/src/components/main/css/node_util.rs
+++ b/src/components/main/css/node_util.rs
@@ -4,7 +4,7 @@
 
 use layout::aux::LayoutAuxMethods;
 
-use core::cast::transmute;
+use std::cast::transmute;
 use newcss::complete::CompleteSelectResults;
 use script::dom::node::{AbstractNode, LayoutView};
 
diff --git a/src/components/main/css/select.rs b/src/components/main/css/select.rs
index 7ebf2519ba9..351dc7b6dfb 100644
--- a/src/components/main/css/select.rs
+++ b/src/components/main/css/select.rs
@@ -2,9 +2,11 @@
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 
-use std::net::url::Url;
-use url_from_str = std::net::url::from_str;
-use core::cell::Cell;
+use extra::net::url::Url;
+use url_from_str = extra::net::url::from_str;
+use std::cell::Cell;
+use std::result;
+use std::str;
 use newcss::stylesheet::Stylesheet;
 use newcss::select::SelectCtx;
 use newcss::types::OriginUA;
@@ -32,7 +34,7 @@ fn default_url(name: &str) -> Url {
 }
 
 fn style_stream(style: &str) -> DataStream {
-    let style = Cell(str::to_bytes(style));
+    let style = Cell::new(style.as_bytes().to_owned());
     let d: DataStream = || if !style.is_empty() {
         Some(style.take())
     } else {
diff --git a/src/components/main/css/select_handler.rs b/src/components/main/css/select_handler.rs
index 56312ee210b..0267975136d 100644
--- a/src/components/main/css/select_handler.rs
+++ b/src/components/main/css/select_handler.rs
@@ -6,7 +6,8 @@
 /// Implementation of the callbacks that the CSS selector engine uses to query the DOM.
 ///
 
-use core::str::eq_slice;
+use std::str;
+use std::str::eq_slice;
 use newcss::select::SelectHandler;
 use script::dom::node::{AbstractNode, LayoutView};
 
@@ -104,7 +105,7 @@ impl SelectHandler<AbstractNode<LayoutView>> for NodeSelectHandler {
                 None => false,
                 Some(existing_classes) => {
                     let mut ret = false;
-                    for str::each_split_char(existing_classes, ' ') |s| {
+                    for existing_classes.split_iter(' ').advance |s| {
                         if s == class {
                             ret = true;
                             break;
diff --git a/src/components/main/engine.rs b/src/components/main/engine.rs
index 0538e252e53..cdabbba1ae2 100644
--- a/src/components/main/engine.rs
+++ b/src/components/main/engine.rs
@@ -5,8 +5,10 @@
 use compositing::{CompositorChan, SetLayoutChan, SetRenderChan};
 use layout::layout_task;
 
-use core::cell::Cell;
-use core::comm::Port;
+use std::cell::Cell;
+use std::comm;
+use std::comm::Port;
+use std::task;
 use gfx::opts::Opts;
 use gfx::render_task::RenderChan;
 use gfx::render_task;
@@ -43,7 +45,7 @@ impl Engine {
             ($Msg:ty, $Chan:ident) => (
                 {
                     let (port, chan) = comm::stream::<$Msg>();
-                    (Cell(port), $Chan::new(chan))
+                    (Cell::new(port), $Chan::new(chan))
                 }
             );
         )
@@ -58,15 +60,15 @@ impl Engine {
         let (layout_port, layout_chan) = closure_stream!(layout_interface::Msg, LayoutChan);
 
         let (render_port, render_chan) = comm::stream::<render_task::Msg<CompositorChan>>();
-        let (render_port, render_chan) = (Cell(render_port), RenderChan::new(render_chan));
+        let (render_port, render_chan) = (Cell::new(render_port), RenderChan::new(render_chan));
 
 
         compositor_chan.send(SetLayoutChan(layout_chan.clone()));
         compositor_chan.send(SetRenderChan(render_chan.clone()));
 
-        let compositor_chan = Cell(compositor_chan);
+        let compositor_chan = Cell::new(compositor_chan);
 
-        let opts = Cell(copy *opts);
+        let opts = Cell::new(copy *opts);
 
         {
             let engine_chan = engine_chan.clone();
diff --git a/src/components/main/layout/aux.rs b/src/components/main/layout/aux.rs
index 11a878246ea..486effad90b 100644
--- a/src/components/main/layout/aux.rs
+++ b/src/components/main/layout/aux.rs
@@ -40,21 +40,20 @@ pub trait LayoutAuxMethods {
 }
 
 impl LayoutAuxMethods for AbstractNode<LayoutView> {
-    // FIXME (Rust #3080): These unsafe blocks are *not* unused!
     pub fn layout_data(self) -> @mut LayoutData {
-        /*unsafe {*/
+        unsafe {
             self.unsafe_layout_data()
-        /*}*/
+        }
     }
     pub fn has_layout_data(self) -> bool {
-        /*unsafe {*/
+       unsafe {
             self.unsafe_has_layout_data()
-        /*}*/
+        }
     }
     pub fn set_layout_data(self, data: @mut LayoutData) {
-        /*unsafe {*/
+        unsafe {
             self.unsafe_set_layout_data(data)
-        /*}*/
+        }
     }
 
     /// If none exists, creates empty layout data for the node (the reader-auxiliary
diff --git a/src/components/main/layout/block.rs b/src/components/main/layout/block.rs
index 3fa9906423a..91510190c04 100644
--- a/src/components/main/layout/block.rs
+++ b/src/components/main/layout/block.rs
@@ -13,7 +13,7 @@ use layout::inline::InlineLayout;
 use layout::model::{MaybeAuto, Specified, Auto};
 use layout::float_context::FloatContext;
 
-use core::cell::Cell;
+use std::cell::Cell;
 use geom::point::Point2D;
 use geom::rect::Rect;
 use gfx::display_list::DisplayList;
@@ -51,7 +51,7 @@ impl BlockFlowData {
 
     pub fn teardown(&mut self) {
         self.common.teardown();
-        for self.box.each |box| {
+        for self.box.iter().advance |box| {
             box.teardown();
         }
         self.box = None;
@@ -192,7 +192,7 @@ impl BlockFlowData {
         let mut remaining_width = self.common.position.size.width;
         let mut x_offset = Au(0);
 
-        for self.box.each |&box| {
+        for self.box.iter().advance |&box| {
             let style = box.style();
             do box.with_model |model| {
                 // Can compute padding here since we know containing block width.
@@ -251,7 +251,7 @@ impl BlockFlowData {
         let mut top_offset = Au(0);
         let mut left_offset = Au(0);
 
-        for self.box.each |&box| {
+        for self.box.iter().advance |&box| {
             do box.with_model |model| {
                 top_offset = model.margin.top + model.border.top + model.padding.top;
                 cur_y += top_offset;
diff --git a/src/components/main/layout/box.rs b/src/components/main/layout/box.rs
index 7d7db5410bc..fb32876f410 100644
--- a/src/components/main/layout/box.rs
+++ b/src/components/main/layout/box.rs
@@ -11,10 +11,11 @@ use layout::flow::FlowContext;
 use layout::model::{BoxModel, MaybeAuto};
 use layout::text;
 
-use core::cell::Cell;
-use core::cmp::ApproxEq;
-use core::managed;
-use core::num::Zero;
+use std::cell::Cell;
+use std::cmp::ApproxEq;
+use std::managed;
+use std::num::Zero;
+use std::uint;
 use geom::{Point2D, Rect, Size2D};
 use gfx::display_list::{BaseDisplayItem, BorderDisplayItem, BorderDisplayItemClass};
 use gfx::display_list::{DisplayList, ImageDisplayItem, ImageDisplayItemClass};
@@ -35,7 +36,7 @@ use script::dom::node::{AbstractNode, LayoutView};
 use servo_net::image::holder::ImageHolder;
 use servo_net::local_image_cache::LocalImageCache;
 use servo_util::range::*;
-use std::net::url::Url;
+use extra::net::url::Url;
 
 /// Render boxes (`struct RenderBox`) are the leaves of the layout tree. They cannot position
 /// themselves. In general, render boxes do not have a simple correspondence with CSS boxes as in
@@ -178,10 +179,10 @@ impl RenderBoxBase {
     }
 }
 
-pub impl RenderBox {
+impl RenderBox {
     /// Borrows this render box immutably in order to work with its common data.
     #[inline(always)]
-    fn with_base<R>(&self, callback: &fn(&RenderBoxBase) -> R) -> R {
+    pub fn with_base<R>(&self, callback: &fn(&RenderBoxBase) -> R) -> R {
         match *self {
             GenericRenderBoxClass(generic_box) => callback(generic_box),
             ImageRenderBoxClass(image_box) => {
@@ -198,7 +199,7 @@ pub impl RenderBox {
 
     /// Borrows this render box mutably in order to work with its common data.
     #[inline(always)]
-    fn with_mut_base<R>(&self, callback: &fn(&mut RenderBoxBase) -> R) -> R {
+    pub fn with_mut_base<R>(&self, callback: &fn(&mut RenderBoxBase) -> R) -> R {
         match *self {
             GenericRenderBoxClass(generic_box) => callback(generic_box),
             ImageRenderBoxClass(image_box) => {
@@ -214,14 +215,14 @@ pub impl RenderBox {
     }
 
     /// A convenience function to return the position of this box.
-    fn position(&self) -> Rect<Au> {
+    pub fn position(&self) -> Rect<Au> {
         do self.with_base |base| {
             base.position
         }
     }
 
     /// A convenience function to return the debugging ID of this box.
-    fn id(&self) -> int {
+    pub fn id(&self) -> int {
         do self.with_mut_base |base| {
             base.id
         }
@@ -229,7 +230,7 @@ pub impl RenderBox {
 
     /// Returns true if this element is replaced content. This is true for images, form elements,
     /// and so on.
-    fn is_replaced(&self) -> bool {
+    pub fn is_replaced(&self) -> bool {
         match *self {
             ImageRenderBoxClass(*) => true,
             _ => false
@@ -237,7 +238,7 @@ pub impl RenderBox {
     }
 
     /// Returns true if this element can be split. This is true for text boxes.
-    fn can_split(&self) -> bool {
+    pub fn can_split(&self) -> bool {
         match *self {
             TextRenderBoxClass(*) => true,
             _ => false
@@ -245,7 +246,7 @@ pub impl RenderBox {
     }
 
     /// Returns true if this element is an unscanned text box that consists entirely of whitespace.
-    fn is_whitespace_only(&self) -> bool {
+    pub fn is_whitespace_only(&self) -> bool {
         match *self {
             UnscannedTextRenderBoxClass(unscanned_text_box) => {
                 unscanned_text_box.text.is_whitespace()
@@ -255,7 +256,7 @@ pub impl RenderBox {
     }
 
     /// Determines whether this box can merge with another render box.
-    fn can_merge_with_box(&self, other: RenderBox) -> bool {
+    pub fn can_merge_with_box(&self, other: RenderBox) -> bool {
         match (self, &other) {
             (&UnscannedTextRenderBoxClass(*), &UnscannedTextRenderBoxClass(*)) => {
                 self.font_style() == other.font_style() && self.text_decoration() == other.text_decoration()
@@ -269,7 +270,7 @@ pub impl RenderBox {
 
     /// Attempts to split this box so that its width is no more than `max_width`. Fails if this box
     /// is an unscanned text box.
-    fn split_to_width(&self, _: &LayoutContext, max_width: Au, starts_line: bool)
+    pub fn split_to_width(&self, _: &LayoutContext, max_width: Au, starts_line: bool)
                       -> SplitBoxResult {
         match *self {
             GenericRenderBoxClass(*) | ImageRenderBoxClass(*) => CannotSplit(*self),
@@ -400,7 +401,7 @@ pub impl RenderBox {
     }
 
     /// Returns the *minimum width* of this render box as defined by the CSS specification.
-    fn get_min_width(&self, _: &LayoutContext) -> Au {
+    pub fn get_min_width(&self, _: &LayoutContext) -> Au {
         // FIXME(pcwalton): I think we only need to calculate this if the damage says that CSS
         // needs to be restyled.
 
@@ -426,7 +427,7 @@ pub impl RenderBox {
     }
 
     /// Returns the *preferred width* of this render box as defined by the CSS specification.
-    fn get_pref_width(&self, _: &LayoutContext) -> Au {
+    pub fn get_pref_width(&self, _: &LayoutContext) -> Au {
         self.guess_width() + match *self {
             // TODO: This should account for the preferred width of the box element in isolation.
             // That includes borders, margins, and padding, but not child widths. The block
@@ -451,7 +452,7 @@ pub impl RenderBox {
                     let mut line_width: Au = Au(0);
                     for text_box.run.glyphs.iter_glyphs_for_char_range(line_range)
                             |_, glyph| {
-                        line_width += glyph.advance()
+                        line_width += glyph.advance_()
                     }
 
                     max_line_width = Au::max(max_line_width, line_width);
@@ -466,32 +467,32 @@ pub impl RenderBox {
 
     /// Returns the amount of left and right "fringe" used by this box. This is based on margins,
     /// borders, padding, and width.
-    fn get_used_width(&self) -> (Au, Au) {
+    pub fn get_used_width(&self) -> (Au, Au) {
         // TODO: This should actually do some computation! See CSS 2.1, Sections 10.3 and 10.4.
         (Au(0), Au(0))
     }
 
     /// Returns the amount of left and right "fringe" used by this box. This should be based on
     /// margins, borders, padding, and width.
-    fn get_used_height(&self) -> (Au, Au) {
+    pub fn get_used_height(&self) -> (Au, Au) {
         // TODO: This should actually do some computation! See CSS 2.1, Sections 10.5 and 10.6.
         (Au(0), Au(0))
     }
 
-    fn compute_padding(&self, cb_width: Au) {
+    pub fn compute_padding(&self, cb_width: Au) {
         do self.with_mut_base |base| {
             base.model.compute_padding(base.node.style(), cb_width);
         }
     }
 
-    fn get_noncontent_width(&self) -> Au {
+    pub fn get_noncontent_width(&self) -> Au {
         do self.with_base |base| {
             base.model.border.left + base.model.padding.left +
             base.model.border.right + base.model.padding.right
         }
     }
 
-    fn with_model<R>(&self, callback: &fn(&mut BoxModel) -> R) ->  R {
+    pub fn with_model<R>(&self, callback: &fn(&mut BoxModel) -> R) ->  R {
         do self.with_mut_base |base| {
             callback(&mut base.model)
         }
@@ -499,7 +500,7 @@ pub impl RenderBox {
 
     /// The box formed by the content edge as defined in CSS 2.1 § 8.1. Coordinates are relative to
     /// the owning flow.
-    fn content_box(&self) -> Rect<Au> {
+    pub fn content_box(&self) -> Rect<Au> {
         do self.with_base |base| {
             let origin = Point2D(base.position.origin.x +
                                  base.model.border.left +
@@ -513,26 +514,26 @@ pub impl RenderBox {
 
     /// The box formed by the border edge as defined in CSS 2.1 § 8.1. Coordinates are relative to
     /// the owning flow.
-    fn border_box(&self) -> Rect<Au> {
+    pub fn border_box(&self) -> Rect<Au> {
         // TODO: Actually compute the content box, padding, and border.
         self.content_box()
     }
 
     /// The box formed by the margin edge as defined in CSS 2.1 § 8.1. Coordinates are relative to
     /// the owning flow.
-    fn margin_box(&self) -> Rect<Au> {
+    pub fn margin_box(&self) -> Rect<Au> {
         // TODO: Actually compute the content_box, padding, border, and margin.
         self.content_box()
     }
 
     /// A convenience function to access the computed style of the DOM node that this render box
     /// represents.
-    fn style(&self) -> CompleteStyle {
+    pub fn style(&self) -> CompleteStyle {
         self.with_base(|base| base.node.style())
     }
 
     /// A convenience function to access the DOM node that this render box represents.
-    fn node(&self) -> AbstractNode<LayoutView> {
+    pub fn node(&self) -> AbstractNode<LayoutView> {
         self.with_base(|base| base.node)
     }
 
@@ -540,7 +541,7 @@ pub impl RenderBox {
     /// represents.
     ///
     /// If there is no ancestor-or-self `Element` node, fails.
-    fn nearest_ancestor_element(&self) -> AbstractNode<LayoutView> {
+    pub fn nearest_ancestor_element(&self) -> AbstractNode<LayoutView> {
         do self.with_base |base| {
             let mut node = base.node;
             while !node.is_element() {
@@ -571,7 +572,7 @@ pub impl RenderBox {
     /// representing the box's stacking context. When asked to construct its constituent display
     /// items, each box puts its display items into the correct stack layer according to CSS 2.1
     /// Appendix E. Finally, the builder flattens the list.
-    fn build_display_list<E:ExtraDisplayListData>(&self,
+    pub fn build_display_list<E:ExtraDisplayListData>(&self,
                                                   _: &DisplayListBuilder,
                                                   dirty: &Rect<Au>,
                                                   offset: &Point2D<Au>,
@@ -715,7 +716,7 @@ pub impl RenderBox {
 
     /// Adds the display items necessary to paint the background of this render box to the display
     /// list if necessary.
-    fn paint_background_if_applicable<E:ExtraDisplayListData>(&self,
+    pub fn paint_background_if_applicable<E:ExtraDisplayListData>(&self,
                                                               list: &Cell<DisplayList<E>>,
                                                               absolute_bounds: &Rect<Au>) {
         // FIXME: This causes a lot of background colors to be displayed when they are clearly not
@@ -741,7 +742,7 @@ pub impl RenderBox {
     }
 
     /// Converts this node's computed style to a font style used for rendering.
-    fn font_style(&self) -> FontStyle {
+    pub fn font_style(&self) -> FontStyle {
         let my_style = self.nearest_ancestor_element().style();
 
         debug!("(font style) start: %?", self.nearest_ancestor_element().type_id());
@@ -757,7 +758,7 @@ pub impl RenderBox {
                 CSSFontFamilyGenericFamily(Monospace)   => ~"monospace",
             }
         };
-        let font_families = str::connect(font_families, ~", ");
+        let font_families = font_families.connect(", ");
         debug!("(font style) font families: `%s`", font_families);
 
         let font_size = match my_style.font_size() {
@@ -786,7 +787,7 @@ pub impl RenderBox {
 
     /// Returns the text alignment of the computed style of the nearest ancestor-or-self `Element`
     /// node.
-    fn text_align(&self) -> CSSTextAlign {
+    pub fn text_align(&self) -> CSSTextAlign {
         self.nearest_ancestor_element().style().text_align()
     }
 
@@ -795,7 +796,7 @@ pub impl RenderBox {
     }
 
     /// Returns the text decoration of the computed style of the nearest `Element` node
-    fn text_decoration(&self) -> CSSTextDecoration {
+    pub fn text_decoration(&self) -> CSSTextDecoration {
         /// Computes the propagated value of text-decoration, as specified in CSS 2.1 § 16.3.1
         /// TODO: make sure this works with anonymous box generation.
         fn get_propagated_text_decoration(element: AbstractNode<LayoutView>) -> CSSTextDecoration {
@@ -856,9 +857,10 @@ pub impl RenderBox {
             GenericRenderBoxClass(*) => ~"GenericRenderBox",
             ImageRenderBoxClass(*) => ~"ImageRenderBox",
             TextRenderBoxClass(text_box) => {
-                fmt!("TextRenderBox(text=%s)", str::substr(text_box.run.text,
-                                                           text_box.range.begin(),
-                                                           text_box.range.length()))
+                fmt!("TextRenderBox(text=%s)",
+                     text_box.run.text.slice(
+                         text_box.range.begin(),
+                         text_box.range.begin() + text_box.range.length()))
             }
             UnscannedTextRenderBoxClass(text_box) => {
                 fmt!("UnscannedTextRenderBox(%s)", text_box.text)
diff --git a/src/components/main/layout/box_builder.rs b/src/components/main/layout/box_builder.rs
index 8d5134b7c4e..1720fc1d98d 100644
--- a/src/components/main/layout/box_builder.rs
+++ b/src/components/main/layout/box_builder.rs
@@ -36,8 +36,8 @@ pub struct LayoutTreeBuilder {
     next_bid: int,
 }
 
-pub impl LayoutTreeBuilder {
-    fn new() -> LayoutTreeBuilder {
+impl LayoutTreeBuilder {
+    pub fn new() -> LayoutTreeBuilder {
         LayoutTreeBuilder {
             root_flow: None,
             next_cid: -1,
@@ -142,7 +142,8 @@ impl BoxGenerator {
                     inline.boxes.push(new_box);
                 } else if self.inline_spacers_needed_for_node(node) {
                     // else, maybe make a spacer for "left" margin, border, padding
-                    for self.make_inline_spacer_for_node_side(ctx, node, LogicalBefore).each
+                    let inline_spacer = self.make_inline_spacer_for_node_side(ctx, node, LogicalBefore);
+                    for inline_spacer.iter().advance
                             |spacer: &RenderBox| {
                         inline.boxes.push(*spacer);
                     }
@@ -190,7 +191,7 @@ impl BoxGenerator {
                     // If this non-leaf box generates extra horizontal spacing, add a SpacerBox for
                     // it.
                     let result = self.make_inline_spacer_for_node_side(ctx, node, LogicalAfter);
-                    for result.each |spacer| {
+                    for result.iter().advance |spacer| {
                         let boxes = &mut self.flow.inline().boxes;
                         boxes.push(*spacer);
                     }
@@ -269,14 +270,14 @@ impl BoxGenerator {
 }
 
 
-pub impl LayoutTreeBuilder {
+impl LayoutTreeBuilder {
     /* Debug-only ids */
-    fn next_flow_id(&mut self) -> int { self.next_cid += 1; self.next_cid }
-    fn next_box_id(&mut self) -> int { self.next_bid += 1; self.next_bid }
+    pub fn next_flow_id(&mut self) -> int { self.next_cid += 1; self.next_cid }
+    pub fn next_box_id(&mut self) -> int { self.next_bid += 1; self.next_bid }
 
     /// Creates necessary box(es) and flow context(s) for the current DOM node,
     /// and recurses on its children.
-    fn construct_recursively(&mut self,
+    pub fn construct_recursively(&mut self,
                              layout_ctx: &LayoutContext,
                              cur_node: AbstractNode<LayoutView>,
                              parent_generator: @mut BoxGenerator,
@@ -319,7 +320,7 @@ pub impl LayoutTreeBuilder {
         Some(this_generator)
     }
 
-    fn box_generator_for_node(&mut self, 
+    pub fn box_generator_for_node(&mut self, 
                               node: AbstractNode<LayoutView>, 
                               parent_generator: @mut BoxGenerator,
                               sibling_generator: Option<@mut BoxGenerator>)
@@ -433,7 +434,7 @@ pub impl LayoutTreeBuilder {
         Some(new_generator)
     }
 
-    fn create_child_generator(&mut self,
+    pub fn create_child_generator(&mut self,
                               node: AbstractNode<LayoutView>,
                               parent_generator: @mut BoxGenerator,
                               ty: FlowContextType)
@@ -445,7 +446,7 @@ pub impl LayoutTreeBuilder {
         @mut BoxGenerator::new(new_flow)
     }
 
-    fn create_child_generator_if_needed(&mut self,
+    pub fn create_child_generator_if_needed(&mut self,
                                         node: AbstractNode<LayoutView>,
                                         parent_generator: @mut BoxGenerator,
                                         maybe_generator: Option<@mut BoxGenerator>,
@@ -466,7 +467,7 @@ pub impl LayoutTreeBuilder {
     ///
     /// The latter can only be done immediately adjacent to, or at the beginning or end of a block
     /// flow. Otherwise, the whitespace might affect whitespace collapsing with adjacent text.
-    fn simplify_children_of_flow(&self, _: &LayoutContext, parent_flow: &mut FlowContext) {
+    pub fn simplify_children_of_flow(&self, _: &LayoutContext, parent_flow: &mut FlowContext) {
         match *parent_flow {
             InlineFlow(*) => {
                 let mut found_child_inline = false;
@@ -493,7 +494,7 @@ pub impl LayoutTreeBuilder {
                 let first_child = do parent_flow.with_base |parent_node| {
                     parent_node.first_child
                 };
-                for first_child.each |&first_flow| {
+                for first_child.iter().advance |&first_flow| {
                     if first_flow.starts_inline_flow() {
                         // FIXME: workaround for rust#6393
                         let mut do_remove = false;
@@ -516,7 +517,7 @@ pub impl LayoutTreeBuilder {
                 let last_child = do parent_flow.with_base |parent_node| {
                     parent_node.last_child
                 };
-                for last_child.each |&last_flow| {
+                for last_child.iter().advance |&last_flow| {
                     if last_flow.starts_inline_flow() {
                         // FIXME: workaround for rust#6393
                         let mut do_remove = false;
@@ -540,13 +541,13 @@ pub impl LayoutTreeBuilder {
         }
     }
 
-    fn fixup_split_inline(&self, _: FlowContext) {
+    pub fn fixup_split_inline(&self, _: FlowContext) {
         // TODO: finish me. 
         fail!(~"TODO: handle case where an inline is split by a block")
     }
 
     /// Entry point for box creation. Should only be called on the root DOM element.
-    fn construct_trees(&mut self, layout_ctx: &LayoutContext, root: AbstractNode<LayoutView>)
+    pub fn construct_trees(&mut self, layout_ctx: &LayoutContext, root: AbstractNode<LayoutView>)
                        -> Result<FlowContext, ()> {
         let new_flow = self.make_flow(Flow_Root, root);
         let new_generator = @mut BoxGenerator::new(new_flow);
@@ -557,7 +558,7 @@ pub impl LayoutTreeBuilder {
     }
 
     /// Creates a flow of the given type for the supplied node.
-    fn make_flow(&mut self, ty: FlowContextType, node: AbstractNode<LayoutView>) -> FlowContext {
+    pub fn make_flow(&mut self, ty: FlowContextType, node: AbstractNode<LayoutView>) -> FlowContext {
         let info = FlowData::new(self.next_flow_id(), node);
         let result = match ty {
             Flow_Absolute    => AbsoluteFlow(@mut info),
diff --git a/src/components/main/layout/display_list_builder.rs b/src/components/main/layout/display_list_builder.rs
index 02173ef7517..5009c1452b1 100644
--- a/src/components/main/layout/display_list_builder.rs
+++ b/src/components/main/layout/display_list_builder.rs
@@ -8,7 +8,7 @@ use layout::box::RenderBox;
 use layout::context::LayoutContext;
 use layout::flow::FlowContext;
 
-use core::cell::Cell;
+use std::cell::Cell;
 use geom::point::Point2D;
 use geom::rect::Rect;
 use gfx::display_list::DisplayList;
diff --git a/src/components/main/layout/float.rs b/src/components/main/layout/float.rs
index d1ea3c3fdc8..50d14307898 100644
--- a/src/components/main/layout/float.rs
+++ b/src/components/main/layout/float.rs
@@ -10,7 +10,7 @@ use layout::flow::{FloatFlow, FlowData};
 use layout::model::{MaybeAuto};
 use layout::float_context::{FloatContext, PlacementInfo, FloatLeft};
 
-use core::cell::Cell;
+use std::cell::Cell;
 use geom::point::Point2D;
 use geom::rect::Rect;
 use gfx::display_list::DisplayList;
@@ -48,7 +48,7 @@ impl FloatFlowData {
 
     pub fn teardown(&mut self) {
         self.common.teardown();
-        for self.box.each |box| {
+        for self.box.iter().advance |box| {
             box.teardown();
         }
         self.box = None;
@@ -95,7 +95,7 @@ impl FloatFlowData {
         self.containing_width = remaining_width;
         let mut x_offset = Au(0);
 
-        for self.box.each |&box| {
+        for self.box.iter().advance |&box| {
             let style = box.style();
             do box.with_model |model| {
                 // Can compute padding here since we know containing block width.
@@ -161,7 +161,7 @@ impl FloatFlowData {
         let mut cur_y = Au(0);
         let mut top_offset = Au(0);
 
-        for self.box.each |&box| {
+        for self.box.iter().advance |&box| {
             do box.with_model |model| {
                 top_offset = model.margin.top + model.border.top + model.padding.top;
                 cur_y += top_offset;
@@ -193,7 +193,7 @@ impl FloatFlowData {
 
         
         //TODO(eatkinson): compute heights properly using the 'height' property.
-        for self.box.each |&box| {
+        for self.box.iter().advance |&box| {
 
             let height_prop = 
                 MaybeAuto::from_height(box.style().height(), Au(0)).spec_or_default(Au(0));
diff --git a/src/components/main/layout/float_context.rs b/src/components/main/layout/float_context.rs
index 50fbb5a452b..1b1f192aece 100644
--- a/src/components/main/layout/float_context.rs
+++ b/src/components/main/layout/float_context.rs
@@ -6,7 +6,8 @@ use geom::point::Point2D;
 use geom::size::Size2D;
 use geom::rect::Rect;
 use gfx::geometry::{Au, max, min};
-use core::util::replace;
+use std::util::replace;
+use std::vec;
 
 pub enum FloatType{
     FloatLeft,
diff --git a/src/components/main/layout/flow.rs b/src/components/main/layout/flow.rs
index e2c14ce22e9..a2ec046ca17 100644
--- a/src/components/main/layout/flow.rs
+++ b/src/components/main/layout/flow.rs
@@ -33,7 +33,8 @@ use layout::display_list_builder::{DisplayListBuilder, ExtraDisplayListData};
 use layout::inline::{InlineFlowData};
 use layout::float_context::{FloatContext, Invalid};
 
-use core::cell::Cell;
+use std::cell::Cell;
+use std::uint;
 use geom::point::Point2D;
 use geom::rect::Rect;
 use gfx::display_list::DisplayList;
@@ -89,14 +90,14 @@ impl FlowData {
         // or we risk dynamic borrow failures.
         self.parent = None;
 
-        for self.first_child.each |flow| {
+        for self.first_child.iter().advance |flow| {
             flow.teardown();
         }
         self.first_child = None;
 
         self.last_child = None;
 
-        for self.next_sibling.each |flow| {
+        for self.next_sibling.iter().advance |flow| {
             flow.teardown();
         }
         self.next_sibling = None;
@@ -317,14 +318,14 @@ impl<'self> FlowContext {
         match *self {
             BlockFlow(block) => {
                 let block = &mut *block;
-                do block.box.map_default(seed) |box| {
-                    cb(seed, *box)
+                do block.box.map_default(copy seed) |box| {
+                    cb(copy seed, *box)
                 }
             }
             InlineFlow(inline) => {
                 let inline = &mut *inline;
                 do inline.boxes.foldl(seed) |acc, box| {
-                    cb(*acc, *box)
+                    cb(copy *acc, *box)
                 }
             }
             _ => fail!(fmt!("Don't know how to iterate node's RenderBoxes for %?", self)),
@@ -349,7 +350,7 @@ impl<'self> FlowContext {
         match *self {
             BlockFlow(block) => {
                 let block = &mut *block;
-                for block.box.each |box| {
+                for block.box.iter().advance |box| {
                     if !cb(*box) {
                         break;
                     }
@@ -357,7 +358,7 @@ impl<'self> FlowContext {
             }
             InlineFlow(inline) => {
                 let inline = &mut *inline;
-                for inline.boxes.each |box| {
+                for inline.boxes.iter().advance |box| {
                     if !cb(*box) {
                         break;
                     }
diff --git a/src/components/main/layout/inline.rs b/src/components/main/layout/inline.rs
index 4894da2fb1c..f6895a98e60 100644
--- a/src/components/main/layout/inline.rs
+++ b/src/components/main/layout/inline.rs
@@ -2,8 +2,8 @@
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 
-use core::cell::Cell;
-use core;
+use std::cell::Cell;
+use std;
 use layout::box::{CannotSplit, GenericRenderBoxClass, ImageRenderBoxClass, RenderBox};
 use layout::box::{SplitDidFit, SplitDidNotFit, TextRenderBoxClass, UnscannedTextRenderBoxClass};
 use layout::context::LayoutContext;
@@ -12,7 +12,10 @@ use layout::flow::{FlowContext, FlowData, InlineFlow};
 use layout::text::{UnscannedMethods, adapt_textbox_with_range};
 use layout::float_context::FloatContext;
 
-use core::util;
+use std::u16;
+use std::uint;
+use std::util;
+use std::vec;
 use geom::{Point2D, Rect, Size2D};
 use gfx::display_list::DisplayList;
 use gfx::geometry::Au;
@@ -25,8 +28,8 @@ use newcss::units::{Em, Px, Pt};
 use newcss::values::{CSSLineHeightNormal, CSSLineHeightNumber, CSSLineHeightLength, CSSLineHeightPercentage};
 
 use servo_util::range::Range;
-use std::deque::Deque;
 use servo_util::tree::{TreeNodeRef, TreeUtils};
+use extra::deque::Deque;
 
 /*
 Lineboxes are represented as offsets into the child list, rather than
@@ -55,8 +58,8 @@ pub struct NodeRange {
     range: Range,
 }
 
-pub impl NodeRange {
-    fn new(node: AbstractNode<LayoutView>, range: &Range) -> NodeRange {
+impl NodeRange {
+    pub fn new(node: AbstractNode<LayoutView>, range: &Range) -> NodeRange {
         NodeRange { node: node, range: copy *range }
     }
 }
@@ -326,9 +329,9 @@ impl TextRunScanner {
                 let mut new_ranges: ~[Range] = ~[];
                 let mut char_total = 0;
                 for uint::range(0, transformed_strs.len()) |i| {
-                    let added_chars = str::char_len(transformed_strs[i]);
+                    let added_chars = transformed_strs[i].char_len();
                     new_ranges.push(Range::new(char_total, added_chars));
-                    str::push_str(&mut run_str, transformed_strs[i]);
+                    run_str.push_str(transformed_strs[i]);
                     char_total += added_chars;
                 }
 
@@ -415,7 +418,7 @@ impl LineboxScanner {
             flow: inline,
             new_boxes: ~[],
             work_list: @mut Deque::new(),
-            pending_line: PendingLine {mut range: Range::empty(), mut bounds: Rect(Point2D(Au(0), Au(0)), Size2D(Au(0), Au(0)))},
+            pending_line: PendingLine {range: Range::empty(), bounds: Rect(Point2D(Au(0), Au(0)), Size2D(Au(0), Au(0)))},
             line_spans: ~[],
         }
     }
@@ -637,7 +640,7 @@ impl LineboxScanner {
         debug!("LineboxScanner: Pushing box b%d to line %u", box.id(), self.line_spans.len());
 
         if self.pending_line.range.length() == 0 {
-            assert!(self.new_boxes.len() <= (core::u16::max_value as uint));
+            assert!(self.new_boxes.len() <= (u16::max_value as uint));
             self.pending_line.range.reset(self.new_boxes.len(), 0);
         }
         self.pending_line.range.extend_by(1);
diff --git a/src/components/main/layout/layout_task.rs b/src/components/main/layout/layout_task.rs
index 0d683ec25f4..7f91d3dce29 100644
--- a/src/components/main/layout/layout_task.rs
+++ b/src/components/main/layout/layout_task.rs
@@ -15,9 +15,9 @@ use layout::context::LayoutContext;
 use layout::display_list_builder::{DisplayListBuilder, FlowDisplayListBuilderMethods};
 use layout::flow::FlowContext;
 
-use core::cast::transmute;
-use core::cell::Cell;
-use core::comm::{Chan, Port};
+use std::cast::transmute;
+use std::cell::Cell;
+use std::comm::{Chan, Port};
 use geom::point::Point2D;
 use geom::rect::Rect;
 use geom::size::Size2D;
@@ -43,7 +43,7 @@ use servo_net::local_image_cache::LocalImageCache;
 use servo_util::tree::{TreeNodeRef, TreeUtils};
 use servo_util::time::{ProfilerChan, profile, time};
 use servo_util::time;
-use std::net::url::Url;
+use extra::net::url::Url;
 
 pub fn create_layout_task(port: Port<Msg>,
                           script_chan: ScriptChan,
@@ -51,7 +51,7 @@ pub fn create_layout_task(port: Port<Msg>,
                           img_cache_task: ImageCacheTask,
                           opts: Opts,
                           profiler_chan: ProfilerChan) {
-    let port = Cell(port);
+    let port = Cell::new(port);
     do spawn {
         let mut layout = Layout::new(port.take(),
                                      script_chan.clone(),
@@ -129,14 +129,14 @@ impl Layout {
         match self.port.recv() {
             AddStylesheetMsg(sheet) => self.handle_add_stylesheet(sheet),
             ReflowMsg(data) => {
-                let data = Cell(data);
+                let data = Cell::new(data);
 
                 do profile(time::LayoutPerformCategory, self.profiler_chan.clone()) {
                     self.handle_reflow(data.take());
                 }
             }
             QueryMsg(query, chan) => {
-                let chan = Cell(chan);
+                let chan = Cell::new(chan);
                 do profile(time::LayoutQueryCategory, self.profiler_chan.clone()) {
                     self.handle_query(query, chan.take());
                 }
@@ -154,7 +154,7 @@ impl Layout {
     }
 
     fn handle_add_stylesheet(&self, sheet: Stylesheet) {
-        let sheet = Cell(sheet);
+        let sheet = Cell::new(sheet);
         self.css_select_ctx.append_sheet(sheet.take(), OriginAuthor);
     }
 
@@ -237,7 +237,7 @@ impl Layout {
                     ctx: &layout_ctx,
                 };
 
-                let display_list = @Cell(DisplayList::new());
+                let display_list = @Cell::new(DisplayList::new());
 
                 // TODO: Set options on the builder before building.
                 // TODO: Be smarter about what needs painting.
@@ -346,7 +346,7 @@ impl Layout {
                             ctx: &layout_ctx,
                         };
                         let display_list: @Cell<DisplayList<RenderBox>> =
-                            @Cell(DisplayList::new());
+                            @Cell::new(DisplayList::new());
                         flow.build_display_list(&builder,
                                                 &flow.position(),
                                                 display_list);
@@ -355,7 +355,7 @@ impl Layout {
                         let mut resp = Err(());
                         let display_list = &display_list.take().list;
                         // iterate in reverse to ensure we have the most recently painted render box
-                        for display_list.each_reverse |display_item| {
+                        for display_list.rev_iter().advance |display_item| {
                             let bounds = display_item.bounds();
                             // TODO this check should really be performed by a method of DisplayItem
                             if x <= bounds.origin.x + bounds.size.width &&
diff --git a/src/components/main/layout/model.rs b/src/components/main/layout/model.rs
index bd465db83b9..104d4b0037e 100644
--- a/src/components/main/layout/model.rs
+++ b/src/components/main/layout/model.rs
@@ -7,8 +7,8 @@
 use layout::display_list_builder::{ExtraDisplayListData, ToGfxColor};
 use layout::box::RenderBox;
 
-use core::cell::Cell;
-use core::num::Zero;
+use std::cell::Cell;
+use std::num::Zero;
 use geom::point::Point2D;
 use geom::rect::Rect;
 use geom::size::Size2D;
@@ -172,7 +172,8 @@ impl RenderBox {
         // Are all the widths equal?
         //
         // FIXME(pcwalton): Obviously this is wrong.
-        if [ border.top, border.right, border.bottom ].all(|a| *a == border.left) {
+        let borders = [ border.top, border.right, border.bottom ];
+        if borders.iter().all(|a| *a == border.left) {
             let border_width = border.top;
             let bounds = Rect {
                 origin: Point2D {
diff --git a/src/components/main/platform/common/glut_windowing.rs b/src/components/main/platform/common/glut_windowing.rs
index 72487539fb9..a47fab68acc 100644
--- a/src/components/main/platform/common/glut_windowing.rs
+++ b/src/components/main/platform/common/glut_windowing.rs
@@ -12,7 +12,7 @@ use windowing::{ResizeCallback, ScrollCallback, WindowMethods, WindowMouseEvent,
 use windowing::{WindowMouseDownEvent, WindowMouseUpEvent, ZoomCallback};
 
 use alert::{Alert, AlertMethods};
-use core::libc::c_int;
+use std::libc::c_int;
 use geom::point::Point2D;
 use geom::size::Size2D;
 use servo_msg::compositor::{IdleRenderState, RenderState, RenderingRenderState};
@@ -59,8 +59,7 @@ impl WindowMethods<Application> for Window {
     /// Creates a new window.
     pub fn new(_: &Application) -> @mut Window {
         // Create the GLUT window.
-        // FIXME (Rust #3080): These unsafe blocks are *not* unused!
-        /*unsafe { */glut::bindgen::glutInitWindowSize(800, 600);/* }*/
+        unsafe { glut::glutInitWindowSize(800, 600); }
         let glut_window = glut::create_window(~"Servo");
 
         // Create our window object.
@@ -74,10 +73,10 @@ impl WindowMethods<Application> for Window {
             scroll_callback: None,
             zoom_callback: None,
 
-            drag_origin: Point2D(0, 0),
+            drag_origin: Point2D(0 as c_int, 0),
 
             mouse_down_button: @mut 0,
-            mouse_down_point: @mut Point2D(0, 0),
+            mouse_down_point: @mut Point2D(0 as c_int, 0),
 
             ready_state: FinishedLoading,
             render_state: IdleRenderState,
@@ -231,12 +230,12 @@ impl Window {
         match key {
             12 => self.load_url(),                                                      // Ctrl+L
             k if k == ('=' as u8) && (glut::get_modifiers() & ACTIVE_CTRL) != 0 => {    // Ctrl++
-                for self.zoom_callback.each |&callback| {
+                for self.zoom_callback.iter().advance |&callback| {
                     callback(0.1);
                 }
             }
             k if k == 31 && (glut::get_modifiers() & ACTIVE_CTRL) != 0 => {             // Ctrl+-
-                for self.zoom_callback.each |&callback| {
+                for self.zoom_callback.iter().advance |&callback| {
                     callback(-0.1);
                 }
             }
diff --git a/src/components/main/servo.rc b/src/components/main/servo.rc
index 4cdfb710ee5..d64ba408bd1 100755
--- a/src/components/main/servo.rc
+++ b/src/components/main/servo.rc
@@ -27,7 +27,7 @@ extern mod servo_msg (name = "msg");
 extern mod servo_util (name = "util");
 extern mod sharegl;
 extern mod stb_image;
-extern mod std;
+extern mod extra;
 
 #[cfg(target_os="macos")]
 extern mod core_graphics;
@@ -42,11 +42,13 @@ use gfx::opts;
 use servo_net::image_cache_task::ImageCacheTask;
 use servo_net::resource_task::ResourceTask;
 use servo_util::time::{Profiler, ProfilerChan, PrintMsg};
-use std::uv_global_loop;
+use extra::uv_global_loop;
 
 pub use gfx::opts::Opts;
 pub use gfx::text;
 pub use servo_util::url::make_url;
+use std::comm;
+use std::os;
 
 #[path="compositing/mod.rs"]
 pub mod compositing;
@@ -102,7 +104,7 @@ fn run(opts: &Opts) {
         let period = *period;
         do spawn {
             loop {
-                std::timer::sleep(&uv_global_loop::get(),
+                extra::timer::sleep(&uv_global_loop::get(),
                                   (period * 1000f64) as uint);
                 profiler_chan.send(PrintMsg);
             }
diff --git a/src/components/main/util/task.rs b/src/components/main/util/task.rs
index bc36764a464..d45b10c7465 100644
--- a/src/components/main/util/task.rs
+++ b/src/components/main/util/task.rs
@@ -2,9 +2,10 @@
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 
-use core::cell::Cell;
-use core::comm::{Chan, Port};
-use core::task;
+use std::cell::Cell;
+use std::comm;
+use std::comm::{Chan, Port};
+use std::task;
 
 pub fn spawn_listener<A: Owned>(f: ~fn(Port<A>)) -> Chan<A> {
     let (setup_po, setup_ch) = comm::stream();
@@ -18,7 +19,7 @@ pub fn spawn_listener<A: Owned>(f: ~fn(Port<A>)) -> Chan<A> {
 
 pub fn spawn_conversation<A: Owned, B: Owned>(f: ~fn(Port<A>, Chan<B>)) -> (Port<B>, Chan<A>) {
     let (from_child, to_parent) = comm::stream();
-    let to_parent = Cell(to_parent);
+    let to_parent = Cell::new(to_parent);
     let to_child = do spawn_listener |from_parent| {
         f(from_parent, to_parent.take())
     };
diff --git a/src/components/msg/engine.rs b/src/components/msg/engine.rs
index c7a33334c97..83e0f085ee0 100644
--- a/src/components/msg/engine.rs
+++ b/src/components/msg/engine.rs
@@ -5,8 +5,8 @@
 //! The high-level interface from script to engine. Using this abstract interface helps reduce
 /// coupling between these two components
 
-use core::comm::{Chan, SharedChan};
-use std::net::url::Url;
+use std::comm::{Chan, SharedChan};
+use extra::net::url::Url;
 
 #[deriving(Clone)]
 pub struct EngineChan {
diff --git a/src/components/msg/msg.rc b/src/components/msg/msg.rc
index 12dac1c1d4c..efafbecd2e6 100644
--- a/src/components/msg/msg.rc
+++ b/src/components/msg/msg.rc
@@ -10,9 +10,9 @@
 
 
 extern mod azure;
-extern mod core;
-extern mod geom;
 extern mod std;
+extern mod geom;
+extern mod extra;
 
 pub mod compositor;
 pub mod engine;
diff --git a/src/components/net/file_loader.rs b/src/components/net/file_loader.rs
index e7d03c091eb..b77f7fb763e 100644
--- a/src/components/net/file_loader.rs
+++ b/src/components/net/file_loader.rs
@@ -4,8 +4,8 @@
 
 use resource_task::{Done, LoaderTask, Payload};
 
-use core::io::{ReaderUtil, file_reader};
-use core::task;
+use std::io::{ReaderUtil, file_reader};
+use std::task;
 
 static READ_SIZE: uint = 1024;
 
diff --git a/src/components/net/http_loader.rs b/src/components/net/http_loader.rs
index 72e9e0acd30..7a48d16739f 100644
--- a/src/components/net/http_loader.rs
+++ b/src/components/net/http_loader.rs
@@ -4,8 +4,8 @@
 
 use resource_task::{Payload, Done, LoaderTask};
 
-use core::comm::SharedChan;
-use core::task;
+use std::comm::SharedChan;
+use std::task;
 use http_client::uv_http_request;
 use http_client;
 
diff --git a/src/components/net/image/base.rs b/src/components/net/image/base.rs
index ae9324c41f2..69214cede15 100644
--- a/src/components/net/image/base.rs
+++ b/src/components/net/image/base.rs
@@ -2,6 +2,7 @@
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 
+use std::vec;
 use stb_image = stb_image::image;
 
 // FIXME: Images must not be copied every frame. Instead we should atomically
diff --git a/src/components/net/image/holder.rs b/src/components/net/image/holder.rs
index 605eea39411..61173703c45 100644
--- a/src/components/net/image/holder.rs
+++ b/src/components/net/image/holder.rs
@@ -6,10 +6,10 @@ use image::base::Image;
 use image_cache_task::{ImageReady, ImageNotReady, ImageFailed};
 use local_image_cache::LocalImageCache;
 
-use core::util::replace;
+use std::util::replace;
 use geom::size::Size2D;
-use std::net::url::Url;
-use std::arc::{ARC, clone, get};
+use extra::net::url::Url;
+use extra::arc::ARC;
 
 // FIXME: Nasty coupling here This will be a problem if we want to factor out image handling from
 // the network stack. This should probably be factored out into an interface and use dependency
@@ -24,7 +24,7 @@ pub struct ImageHolder {
     local_image_cache: @mut LocalImageCache,
 }
 
-pub impl ImageHolder {
+impl ImageHolder {
     pub fn new(url: Url, local_image_cache: @mut LocalImageCache) -> ImageHolder {
         debug!("ImageHolder::new() %?", url.to_str());
         let holder = ImageHolder {
@@ -50,16 +50,16 @@ pub impl ImageHolder {
     ///
     /// The intent is that the impure version is used during layout when dimensions are used for
     /// computing layout.
-    fn size(&self) -> Size2D<int> {
+    pub fn size(&self) -> Size2D<int> {
         self.cached_size
     }
     
     /// Query and update the current image size.
-    fn get_size(&mut self) -> Option<Size2D<int>> {
+    pub fn get_size(&mut self) -> Option<Size2D<int>> {
         debug!("get_size() %?", self.url);
         match self.get_image() {
             Some(img) => { 
-                let img_ref = get(&img);
+                let img_ref = img.get();
                 self.cached_size = Size2D(img_ref.width as int,
                                           img_ref.height as int);
                 Some(copy self.cached_size)
@@ -68,7 +68,7 @@ pub impl ImageHolder {
         }
     }
 
-    fn get_image(&mut self) -> Option<ARC<~Image>> {
+    pub fn get_image(&mut self) -> Option<ARC<~Image>> {
         debug!("get_image() %?", self.url);
 
         // If this is the first time we've called this function, load
@@ -91,7 +91,7 @@ pub impl ImageHolder {
         let image = replace(&mut self.image, None);
 
         let result = match image {
-            Some(ref image) => Some(clone(image)),
+            Some(ref image) => Some(image.clone()),
             None => None
         };
 
diff --git a/src/components/net/image_cache_task.rs b/src/components/net/image_cache_task.rs
index 8806b3e7da6..e4bef56758c 100644
--- a/src/components/net/image_cache_task.rs
+++ b/src/components/net/image_cache_task.rs
@@ -7,14 +7,14 @@ use resource_task;
 use resource_task::ResourceTask;
 use servo_util::url::{UrlMap, url_map};
 
-use clone_arc = std::arc::clone;
-use core::cell::Cell;
-use core::comm::{Chan, Port, SharedChan, stream};
-use core::task::spawn;
-use core::to_str::ToStr;
-use core::util::replace;
-use std::arc::ARC;
-use std::net::url::Url;
+use std::cell::Cell;
+use std::comm::{Chan, Port, SharedChan, stream};
+use std::task::spawn;
+use std::to_str::ToStr;
+use std::util::replace;
+use std::result;
+use extra::arc::ARC;
+use extra::net::url::Url;
 
 pub enum Msg {
     /// Tell the cache that we may need a particular image soon. Must be posted
@@ -54,7 +54,7 @@ pub enum ImageResponseMsg {
 impl ImageResponseMsg {
     fn clone(&self) -> ImageResponseMsg {
         match *self {
-            ImageReady(ref img) => ImageReady(clone_arc(img)),
+            ImageReady(ref img) => ImageReady(img.clone()),
             ImageNotReady => ImageNotReady,
             ImageFailed => ImageFailed,
         }
@@ -91,12 +91,12 @@ pub fn ImageCacheTask_(resource_task: ResourceTask, decoder_factory: DecoderFact
     // FIXME: Doing some dancing to avoid copying decoder_factory, our test
     // version of which contains an uncopyable type which rust will currently
     // copy unsoundly
-    let decoder_factory_cell = Cell(decoder_factory);
+    let decoder_factory_cell = Cell::new(decoder_factory);
 
     let (port, chan) = stream();
     let chan = SharedChan::new(chan);
-    let port_cell = Cell(port);
-    let chan_cell = Cell(chan.clone());
+    let port_cell = Cell::new(port);
+    let chan_cell = Cell::new(chan.clone());
 
     do spawn {
         let mut cache = ImageCache {
@@ -116,7 +116,7 @@ pub fn ImageCacheTask_(resource_task: ResourceTask, decoder_factory: DecoderFact
 
 fn SyncImageCacheTask(resource_task: ResourceTask) -> ImageCacheTask {
     let (port, chan) = stream();
-    let port_cell = Cell(port);
+    let port_cell = Cell::new(port);
 
     do spawn {
         let port = port_cell.take();
@@ -247,7 +247,7 @@ impl ImageCache {
             Init => {
                 let to_cache = self.chan.clone();
                 let resource_task = self.resource_task.clone();
-                let url_cell = Cell(copy url);
+                let url_cell = Cell::new(copy url);
 
                 do spawn {
                     let url = url_cell.take();
@@ -256,7 +256,7 @@ impl ImageCache {
                     let image = load_image_data(copy url, resource_task.clone());
 
                     let result = if image.is_ok() {
-                        Ok(Cell(result::unwrap(image)))
+                        Ok(Cell::new(result::unwrap(image)))
                     } else {
                         Err(())
                     };
@@ -279,7 +279,7 @@ impl ImageCache {
             match data {
               Ok(data_cell) => {
                 let data = data_cell.take();
-                self.set_state(copy url, Prefetched(@Cell(data)));
+                self.set_state(copy url, Prefetched(@Cell::new(data)));
                 match next_step {
                   DoDecode => self.decode(url),
                   _ => ()
@@ -320,7 +320,7 @@ impl ImageCache {
 
                 let data = data_cell.take();
                 let to_cache = self.chan.clone();
-                let url_cell = Cell(copy url);
+                let url_cell = Cell::new(copy url);
                 let decode = (self.decoder_factory)();
 
                 do spawn {
@@ -351,8 +351,8 @@ impl ImageCache {
           Decoding => {
             match image {
               Some(image) => {
-                self.set_state(copy url, Decoded(@clone_arc(&image)));
-                self.purge_waiters(url, || ImageReady(clone_arc(&image)) );
+                self.set_state(copy url, Decoded(@image.clone()));
+                self.purge_waiters(url, || ImageReady(image.clone()) );
               }
               None => {
                 self.set_state(copy url, Failed);
@@ -389,7 +389,7 @@ impl ImageCache {
             Prefetching(DoDecode) => response.send(ImageNotReady),
             Prefetching(DoNotDecode) | Prefetched(*) => fail!(~"request for image before decode"),
             Decoding => response.send(ImageNotReady),
-            Decoded(image) => response.send(ImageReady(clone_arc(image))),
+            Decoded(image) => response.send(ImageReady((*image).clone())),
             Failed => response.send(ImageFailed),
         }
     }
@@ -411,7 +411,7 @@ impl ImageCache {
             }
 
             Decoded(image) => {
-                response.send(ImageReady(clone_arc(image)));
+                response.send(ImageReady((*image).clone()));
             }
 
             Failed => {
diff --git a/src/components/net/local_image_cache.rs b/src/components/net/local_image_cache.rs
index abdaba88c42..335d2c6dd26 100644
--- a/src/components/net/local_image_cache.rs
+++ b/src/components/net/local_image_cache.rs
@@ -11,16 +11,17 @@ multiple times and thus triggering reflows multiple times.
 use image_cache_task::{Decode, GetImage, ImageCacheTask, ImageFailed, ImageNotReady, ImageReady};
 use image_cache_task::{ImageResponseMsg, Prefetch, WaitForImage};
 
-use clone_arc = std::arc::clone;
-use core::comm::Port;
+use std::comm;
+use std::comm::Port;
+use std::task;
 use servo_util::url::{UrlMap, url_map};
-use std::net::url::Url;
+use extra::net::url::Url;
 
 pub fn LocalImageCache(image_cache_task: ImageCacheTask) -> LocalImageCache {
     LocalImageCache {
         image_cache_task: image_cache_task,
         round_number: 1,
-        mut on_image_available: None,
+        on_image_available: None,
         state_map: url_map()
     }
 }
@@ -40,7 +41,7 @@ priv struct ImageState {
 }
 
 #[allow(non_implicitly_copyable_typarams)] // Using maps of Urls
-pub impl LocalImageCache {
+impl LocalImageCache {
     /// The local cache will only do a single remote request for a given
     /// URL in each 'round'. Layout should call this each time it begins
     pub fn next_round(&mut self, on_image_available: @fn() -> ~fn(ImageResponseMsg)) {
@@ -76,7 +77,7 @@ pub impl LocalImageCache {
         match state.last_response {
             ImageReady(ref image) => {
                 let (port, chan) = comm::stream();
-                chan.send(ImageReady(clone_arc(image)));
+                chan.send(ImageReady(image.clone()));
                 return port;
             }
             ImageNotReady => {
@@ -122,7 +123,7 @@ pub impl LocalImageCache {
 
         // Put a copy of the response in the cache
         let response_copy = match response {
-            ImageReady(ref image) => ImageReady(clone_arc(image)),
+            ImageReady(ref image) => ImageReady(image.clone()),
             ImageNotReady => ImageNotReady,
             ImageFailed => ImageFailed
         };
diff --git a/src/components/net/net.rc b/src/components/net/net.rc
index 768dccf461b..a646de09315 100644
--- a/src/components/net/net.rc
+++ b/src/components/net/net.rc
@@ -12,7 +12,7 @@ extern mod geom;
 extern mod http_client;
 extern mod servo_util (name = "util");
 extern mod stb_image;
-extern mod std;
+extern mod extra;
 
 /// Image handling.
 ///
diff --git a/src/components/net/resource_task.rs b/src/components/net/resource_task.rs
index 8fef9095387..958705c8885 100644
--- a/src/components/net/resource_task.rs
+++ b/src/components/net/resource_task.rs
@@ -7,9 +7,9 @@
 use file_loader;
 use http_loader;
 
-use core::cell::Cell;
-use core::comm::{Chan, Port, SharedChan};
-use std::net::url::{Url, to_str};
+use std::cell::Cell;
+use std::comm::{Chan, Port, SharedChan};
+use extra::net::url::{Url, to_str};
 use util::spawn_listener;
 
 pub enum ControlMsg {
@@ -52,7 +52,7 @@ pub fn ResourceTask() -> ResourceTask {
 }
 
 fn create_resource_task_with_loaders(loaders: ~[(~str, LoaderTaskFactory)]) -> ResourceTask {
-    let loaders_cell = Cell(loaders);
+    let loaders_cell = Cell::new(loaders);
     let chan = do spawn_listener |from_client| {
         // TODO: change copy to move once we can move out of closures
         ResourceManager(from_client, loaders_cell.take()).start()
diff --git a/src/components/net/util.rs b/src/components/net/util.rs
index cd8a177a7ef..92f142f2db7 100644
--- a/src/components/net/util.rs
+++ b/src/components/net/util.rs
@@ -2,7 +2,9 @@
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 
-use core::comm::{Chan, Port};
+use std::comm;
+use std::comm::{Chan, Port};
+use std::task;
 
 pub fn spawn_listener<A: Owned>(f: ~fn(Port<A>)) -> Chan<A> {
     let (setup_port, setup_chan) = comm::stream();
diff --git a/src/components/script/dom/bindings/clientrect.rs b/src/components/script/dom/bindings/clientrect.rs
index a21b12cc049..b910ff1f41c 100644
--- a/src/components/script/dom/bindings/clientrect.rs
+++ b/src/components/script/dom/bindings/clientrect.rs
@@ -8,9 +8,11 @@ use dom::clientrect::ClientRect;
 use script_task::{task_from_context, global_script_context};
 
 use js::jsapi::{JSObject, JSContext, JSVal};
-use js::glue::bindgen::RUST_OBJECT_TO_JSVAL;
+use js::glue::RUST_OBJECT_TO_JSVAL;
 
-pub impl ClientRect {
+use std::cast;
+
+impl ClientRect {
     pub fn init_wrapper(@mut self) {
         let script_context = global_script_context();
         let cx = script_context.js_compartment.cx.ptr;
diff --git a/src/components/script/dom/bindings/clientrectlist.rs b/src/components/script/dom/bindings/clientrectlist.rs
index aca6d85d1f4..a6d19a73a10 100644
--- a/src/components/script/dom/bindings/clientrectlist.rs
+++ b/src/components/script/dom/bindings/clientrectlist.rs
@@ -9,8 +9,10 @@ use script_task::{task_from_context, global_script_context};
 
 use js::jsapi::{JSObject, JSContext};
 
-pub impl ClientRectList {
-    fn init_wrapper(@mut self) {
+use std::cast;
+
+impl ClientRectList {
+    pub fn init_wrapper(@mut self) {
         let script_context = global_script_context();
         let cx = script_context.js_compartment.cx.ptr;
         let owner = script_context.root_frame.get_ref().window;
diff --git a/src/components/script/dom/bindings/codegen/CodegenRust.py b/src/components/script/dom/bindings/codegen/CodegenRust.py
index 3c0c07d5ab5..59eca2a2e18 100644
--- a/src/components/script/dom/bindings/codegen/CodegenRust.py
+++ b/src/components/script/dom/bindings/codegen/CodegenRust.py
@@ -2853,7 +2853,7 @@ class CGCallGenerator(CGThing):
     """
     def __init__(self, errorReport, arguments, argsPre, returnType,
                  extendedAttributes, descriptorProvider, nativeMethodName,
-                 static, object="self", declareResult=True):
+                 static, object="this", declareResult=True):
         CGThing.__init__(self)
 
         assert errorReport is None or isinstance(errorReport, CGThing)
@@ -3070,7 +3070,7 @@ class CGAbstractBindingMethod(CGAbstractExternMethod):
         unwrapThis = CGIndenter(CGGeneric(
             str(CastableObjectUnwrapper(
                         FakeCastableDescriptor(self.descriptor),
-                        "obj", "self", self.unwrapFailureCode))))
+                        "obj", "this", self.unwrapFailureCode))))
         return CGList([ self.getThis(), unwrapThis,
                         self.generate_code() ], "\n").define()
 
@@ -3081,7 +3081,7 @@ class CGAbstractBindingMethod(CGAbstractExternMethod):
                       "  return false as JSBool;\n"
                       "}\n"
                       "\n"
-                      "let self: *rust_box<%s>;" % self.descriptor.nativeType))
+                      "let this: *rust_box<%s>;" % self.descriptor.nativeType))
 
     def generate_code(self):
         assert(False) # Override me
@@ -3098,7 +3098,7 @@ class CGGenericMethod(CGAbstractBindingMethod):
     def generate_code(self):
         return CGIndenter(CGGeneric(
             "let _info: *JSJitInfo = RUST_FUNCTION_VALUE_TO_JITINFO(JS_CALLEE(cx, vp));\n"
-            "return CallJitMethodOp(_info, cx, obj, ptr::to_unsafe_ptr(&(*self).payload) as *libc::c_void, argc, vp);"))
+            "return CallJitMethodOp(_info, cx, obj, ptr::to_unsafe_ptr(&(*this).payload) as *libc::c_void, argc, vp);"))
 
 class CGAbstractStaticMethod(CGAbstractMethod):
     """
@@ -3121,7 +3121,7 @@ class CGSpecializedMethod(CGAbstractExternMethod):
         self.method = method
         name = method.identifier.name
         args = [Argument('*JSContext', 'cx'), Argument('JSHandleObject', 'obj'),
-                Argument('*mut %s' % descriptor.nativeType, 'self'),
+                Argument('*mut %s' % descriptor.nativeType, 'this'),
                 Argument('libc::c_uint', 'argc'), Argument('*mut JSVal', 'vp')]
         CGAbstractExternMethod.__init__(self, descriptor, name, 'JSBool', args)
 
@@ -3154,7 +3154,7 @@ class CGGenericGetter(CGAbstractBindingMethod):
     def generate_code(self):
         return CGIndenter(CGGeneric(
             "let _info: *JSJitInfo = RUST_FUNCTION_VALUE_TO_JITINFO(JS_CALLEE(cx, vp));\n"
-            "return CallJitPropertyOp(_info, cx, obj, ptr::to_unsafe_ptr(&(*self).payload) as *libc::c_void, vp);"))
+            "return CallJitPropertyOp(_info, cx, obj, ptr::to_unsafe_ptr(&(*this).payload) as *libc::c_void, vp);"))
 
 class CGSpecializedGetter(CGAbstractExternMethod):
     """
@@ -3166,7 +3166,7 @@ class CGSpecializedGetter(CGAbstractExternMethod):
         name = 'get_' + attr.identifier.name
         args = [ Argument('*JSContext', 'cx'),
                  Argument('JSHandleObject', 'obj'),
-                 Argument('*%s' % descriptor.nativeType, 'self'),
+                 Argument('*%s' % descriptor.nativeType, 'this'),
                  Argument('*mut JSVal', 'vp') ]
         CGAbstractExternMethod.__init__(self, descriptor, name, "JSBool", args)
 
@@ -3466,7 +3466,7 @@ if expando.is_not_null() {
             getIndexedOrExpando = ("let index = GetArrayIndexFromId(cx, id);\n" +
                                    "if index.is_some() {\n" +
                                    "  let index = index.get();\n" +
-                                   "  let self = UnwrapProxy(proxy);\n" +
+                                   "  let this = UnwrapProxy(proxy);\n" +
                                    CGIndenter(CGProxyIndexedGetter(self.descriptor, templateValues)).define())
             getIndexedOrExpando += """
   // Even if we don't have this index, we don't forward the
@@ -3488,7 +3488,7 @@ if expando.is_not_null() {
                         "    return false;\n" +
                         "  }\n" +
                         "\n" +
-                        "  let self = UnwrapProxy(proxy);\n" +
+                        "  let this = UnwrapProxy(proxy);\n" +
                         CGIndenter(CGProxyNamedGetter(self.descriptor, templateValues)).define() +
                         "}\n") % (self.descriptor.nativeType)
         else:
@@ -3558,7 +3558,7 @@ class CGAbstractClassHook(CGAbstractExternMethod):
     def definition_body_prologue(self):
         return "" #XXXjdm we may want to do a proper unwrap here
         return """
-  let self: *%s = &(unwrap::<*rust_box<%s>>(obj).payload);
+  let this: *%s = &(unwrap::<*rust_box<%s>>(obj).payload);
 """ % (self.descriptor.nativeType, self.descriptor.nativeType)
 
     def definition_body(self):
@@ -3570,8 +3570,8 @@ class CGAbstractClassHook(CGAbstractExternMethod):
 
 def finalizeHook(descriptor, hookName, context):
     if descriptor.customFinalize:
-        return """if (self) {
-  self->%s(%s);
+        return """if (this) {
+  this->%s(%s);
 }""" % (hookName, context)
     #clearWrapper = "ClearWrapper(self, self);\n" if descriptor.wrapperCache else ""
     if descriptor.workers:
@@ -4132,9 +4132,7 @@ class CGBindingRoot(CGThing):
                          dictionaries,
                          ['js::*',
                           'js::jsapi::*',
-                          'js::jsapi::bindgen::*',
                           'js::jsfriendapi::bindgen::*',
-                          'js::glue::bindgen::*',
                           'js::glue::*',
                           'dom::node::AbstractNode', #XXXjdm
                           'dom::document::Document', #XXXjdm
@@ -4150,6 +4148,11 @@ class CGBindingRoot(CGThing):
                           'script_task::task_from_context',
                           'dom::bindings::utils::EnumEntry',
                           'dom::node::ScriptView',
+                          'std::cast',
+                          'std::libc',
+                          'std::ptr',
+                          'std::vec',
+                          'std::str'
                          ], 
                          [],
                          curr)
diff --git a/src/components/script/dom/bindings/conversions.rs b/src/components/script/dom/bindings/conversions.rs
index 7350427a95e..48839401bcd 100644
--- a/src/components/script/dom/bindings/conversions.rs
+++ b/src/components/script/dom/bindings/conversions.rs
@@ -4,7 +4,7 @@
 
 use js::jsapi::JSVal;
 use js::{JSVAL_FALSE, JSVAL_TRUE};
-use js::glue::bindgen::{RUST_UINT_TO_JSVAL, RUST_JSVAL_TO_INT};
+use js::glue::{RUST_UINT_TO_JSVAL, RUST_JSVAL_TO_INT};
 
 pub trait JSValConvertible {
     fn to_jsval(&self) -> JSVal;
@@ -13,11 +13,15 @@ pub trait JSValConvertible {
 
 impl JSValConvertible for u32 {
     fn to_jsval(&self) -> JSVal {
-        RUST_UINT_TO_JSVAL(*self)
+        unsafe {
+            RUST_UINT_TO_JSVAL(*self)
+        }
     }
 
     fn from_jsval(val: JSVal) -> Option<u32> {
-        Some(RUST_JSVAL_TO_INT(val) as u32)
+        unsafe {
+            Some(RUST_JSVAL_TO_INT(val) as u32)
+        }
     }
 }
 
diff --git a/src/components/script/dom/bindings/document.rs b/src/components/script/dom/bindings/document.rs
index 87889f52ff9..731e6619bd9 100644
--- a/src/components/script/dom/bindings/document.rs
+++ b/src/components/script/dom/bindings/document.rs
@@ -2,16 +2,21 @@
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 
+use std::cast;
+use std::libc;
+use std::ptr;
+use std::result;
+use std::vec;
 use dom::bindings::utils::{DOMString, rust_box, squirrel_away, str};
 use dom::bindings::utils::{WrapperCache, DerivedWrapper};
 use dom::bindings::utils::{jsval_to_str, WrapNewBindingObject, CacheableWrapper};
 use dom::bindings::utils;
 use dom::document::Document;
 use dom::htmlcollection::HTMLCollection;
-use js::glue::bindgen::*;
+use js::glue::*;
 use js::glue::{PROPERTY_STUB, STRICT_PROPERTY_STUB};
-use js::jsapi::bindgen::{JS_DefineProperties};
-use js::jsapi::bindgen::{JS_GetReservedSlot, JS_SetReservedSlot, JS_DefineFunctions};
+use js::jsapi::{JS_DefineProperties};
+use js::jsapi::{JS_GetReservedSlot, JS_SetReservedSlot, JS_DefineFunctions};
 use js::jsapi::{JSContext, JSVal, JSObject, JSBool, JSFreeOp, JSPropertySpec, JSPropertyOpWrapper};
 use js::jsapi::{JSStrictPropertyOpWrapper, JSNativeWrapper, JSFunctionSpec};
 use js::rust::{Compartment, jsobj};
@@ -19,8 +24,8 @@ use js::{JSPROP_NATIVE_ACCESSORS};
 use js::{JS_ARGV, JSPROP_ENUMERATE, JSPROP_SHARED, JSVAL_NULL, JS_THIS_OBJECT, JS_SET_RVAL};
 use script_task::task_from_context;
 
-use core::libc::c_uint;
-use core::ptr::null;
+use std::libc::c_uint;
+use std::ptr::null;
 
 extern fn getDocumentElement(cx: *JSContext, _argc: c_uint, vp: *mut JSVal) -> JSBool {
     unsafe {
@@ -96,9 +101,11 @@ pub fn init(compartment: @mut Compartment) {
          flags: (JSPROP_SHARED | JSPROP_ENUMERATE | JSPROP_NATIVE_ACCESSORS) as u8,
          getter: JSPropertyOpWrapper {op: null(), info: null()},
          setter: JSStrictPropertyOpWrapper {op: null(), info: null()}}];
-    vec::push(&mut compartment.global_props, attrs);
+    compartment.global_props.push(attrs);
     vec::as_imm_buf(*attrs, |specs, _len| {
-        assert!(JS_DefineProperties(compartment.cx.ptr, obj.ptr, specs) == 1);
+        unsafe {
+            assert!(JS_DefineProperties(compartment.cx.ptr, obj.ptr, specs) == 1);
+        }
     });
 
     let methods = @~[JSFunctionSpec {name: compartment.add_name(~"getElementsByTagName"),
@@ -112,7 +119,9 @@ pub fn init(compartment: @mut Compartment) {
                                      flags: 0,
                                      selfHostedName: null()}];
     vec::as_imm_buf(*methods, |fns, _len| {
-        JS_DefineFunctions(compartment.cx.ptr, obj.ptr, fns);
+        unsafe {
+            JS_DefineFunctions(compartment.cx.ptr, obj.ptr, fns);
+        }
     });
 
     compartment.register_class(utils::instance_jsclass(~"DocumentInstance",
@@ -129,12 +138,12 @@ pub fn create(compartment: @mut Compartment, doc: @mut Document) -> *JSObject {
     unsafe {
         let raw_ptr: *libc::c_void = cast::transmute(squirrel_away(doc));
         JS_SetReservedSlot(instance.ptr, 0, RUST_PRIVATE_TO_JSVAL(raw_ptr));
-    }
 
-    compartment.define_property(~"document", RUST_OBJECT_TO_JSVAL(instance.ptr),
-                                GetJSClassHookStubPointer(PROPERTY_STUB) as *u8,
-                                GetJSClassHookStubPointer(STRICT_PROPERTY_STUB) as *u8,
-                                JSPROP_ENUMERATE);
+        compartment.define_property(~"document", RUST_OBJECT_TO_JSVAL(instance.ptr),
+                                    GetJSClassHookStubPointer(PROPERTY_STUB) as *u8,
+                                    GetJSClassHookStubPointer(STRICT_PROPERTY_STUB) as *u8,
+                                    JSPROP_ENUMERATE);
+    }
 
     instance.ptr
 }
diff --git a/src/components/script/dom/bindings/domparser.rs b/src/components/script/dom/bindings/domparser.rs
index 21744e43eb2..4e38e7d0f61 100644
--- a/src/components/script/dom/bindings/domparser.rs
+++ b/src/components/script/dom/bindings/domparser.rs
@@ -8,7 +8,9 @@ use dom::bindings::utils::{BindingObject, DerivedWrapper};
 use dom::domparser::DOMParser;
 
 use js::jsapi::{JSContext, JSObject, JSVal};
-use js::glue::bindgen::{RUST_OBJECT_TO_JSVAL};
+use js::glue::{RUST_OBJECT_TO_JSVAL};
+
+use std::cast;
 
 impl CacheableWrapper for DOMParser {
     fn get_wrappercache(&mut self) -> &mut WrapperCache {
diff --git a/src/components/script/dom/bindings/element.rs b/src/components/script/dom/bindings/element.rs
index 4e296e3bb6f..9a34f7c5dc6 100644
--- a/src/components/script/dom/bindings/element.rs
+++ b/src/components/script/dom/bindings/element.rs
@@ -12,10 +12,17 @@ use layout_interface::{ContentBoxQuery, ContentBoxResponse};
 use script_task::task_from_context;
 use super::utils;
 
-use core::libc::c_uint;
-use core::ptr::null;
-use js::glue::bindgen::*;
-use js::jsapi::bindgen::*;
+use std::cast;
+use std::i32;
+use std::libc;
+use std::libc::c_uint;
+use std::ptr;
+use std::ptr::null;
+use std::result;
+use std::str;
+use std::vec;
+use js::glue::*;
+use js::jsapi::*;
 use js::jsapi::{JSContext, JSVal, JSObject, JSBool, JSFreeOp, JSPropertySpec};
 use js::jsapi::{JSNativeWrapper, JSTracer, JSTRACE_OBJECT};
 use js::jsapi::{JSPropertyOpWrapper, JSStrictPropertyOpWrapper, JSFunctionSpec};
@@ -78,7 +85,9 @@ pub fn init(compartment: @mut Compartment) {
          setter: JSStrictPropertyOpWrapper {op: null(), info: null()}}];
     vec::push(&mut compartment.global_props, attrs);
     vec::as_imm_buf(*attrs, |specs, _len| {
-        JS_DefineProperties(compartment.cx.ptr, obj.ptr, specs);
+        unsafe {
+            JS_DefineProperties(compartment.cx.ptr, obj.ptr, specs);
+        }
     });
 
     let methods = @~[JSFunctionSpec {name: compartment.add_name(~"getClientRects"),
@@ -102,7 +111,9 @@ pub fn init(compartment: @mut Compartment) {
                                      flags: 0,
                                      selfHostedName: null()}];
     vec::as_imm_buf(*methods, |fns, _len| {
-        JS_DefineFunctions(compartment.cx.ptr, obj.ptr, fns);
+        unsafe {
+            JS_DefineFunctions(compartment.cx.ptr, obj.ptr, fns);
+        }
     });
 
     compartment.register_class(utils::instance_jsclass(~"GenericElementInstance",
@@ -127,7 +138,9 @@ pub fn init(compartment: @mut Compartment) {
          setter: JSStrictPropertyOpWrapper {op: null(), info: null()}}];
     vec::push(&mut compartment.global_props, attrs);
     vec::as_imm_buf(*attrs, |specs, _len| {
-        JS_DefineProperties(compartment.cx.ptr, obj.ptr, specs);
+        unsafe {
+            JS_DefineProperties(compartment.cx.ptr, obj.ptr, specs);
+        }
     });
 }
 
@@ -299,8 +312,10 @@ pub fn create(cx: *JSContext, node: &mut AbstractNode<ScriptView>) -> jsobj {
     assert!(cache.get_wrapper().is_null());
     cache.set_wrapper(obj.ptr);
 
-    let raw_ptr = node.raw_object() as *libc::c_void;
-    JS_SetReservedSlot(obj.ptr, DOM_OBJECT_SLOT as u32, RUST_PRIVATE_TO_JSVAL(raw_ptr));
+    unsafe {
+        let raw_ptr = node.raw_object() as *libc::c_void;
+        JS_SetReservedSlot(obj.ptr, DOM_OBJECT_SLOT as u32, RUST_PRIVATE_TO_JSVAL(raw_ptr));
+    }
 
     return obj;
 }
diff --git a/src/components/script/dom/bindings/event.rs b/src/components/script/dom/bindings/event.rs
index 432dee40838..2197646e188 100644
--- a/src/components/script/dom/bindings/event.rs
+++ b/src/components/script/dom/bindings/event.rs
@@ -2,15 +2,16 @@
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 
+use std::cast;
 use dom::bindings::codegen::EventBinding;
 use dom::bindings::utils::{CacheableWrapper, WrapperCache, BindingObject, DerivedWrapper};
 use dom::event::Event_;
 use script_task::{task_from_context, global_script_context};
 
-use js::glue::bindgen::RUST_OBJECT_TO_JSVAL;
+use js::glue::RUST_OBJECT_TO_JSVAL;
 use js::jsapi::{JSObject, JSContext, JSVal};
 
-pub impl Event_ {
+impl Event_ {
     pub fn init_wrapper(@mut self) {
         let script_context = global_script_context();
         let cx = script_context.js_compartment.cx.ptr;
diff --git a/src/components/script/dom/bindings/eventtarget.rs b/src/components/script/dom/bindings/eventtarget.rs
index 7b82f915791..ffb804d905c 100644
--- a/src/components/script/dom/bindings/eventtarget.rs
+++ b/src/components/script/dom/bindings/eventtarget.rs
@@ -2,15 +2,16 @@
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 
+use std::cast;
 use dom::bindings::codegen::EventTargetBinding;
 use dom::bindings::utils::{CacheableWrapper, WrapperCache, BindingObject, DerivedWrapper};
 use dom::eventtarget::EventTarget;
 use script_task::{task_from_context, global_script_context};
 
-use js::glue::bindgen::RUST_OBJECT_TO_JSVAL;
+use js::glue::RUST_OBJECT_TO_JSVAL;
 use js::jsapi::{JSObject, JSContext, JSVal};
 
-pub impl EventTarget {
+impl EventTarget {
     pub fn init_wrapper(@mut self) {
         let script_context = global_script_context();
         let cx = script_context.js_compartment.cx.ptr;
diff --git a/src/components/script/dom/bindings/htmlcollection.rs b/src/components/script/dom/bindings/htmlcollection.rs
index 866e7634ada..fe7ddf3dfe0 100644
--- a/src/components/script/dom/bindings/htmlcollection.rs
+++ b/src/components/script/dom/bindings/htmlcollection.rs
@@ -9,8 +9,10 @@ use script_task::{task_from_context, global_script_context};
 
 use js::jsapi::{JSObject, JSContext};
 
-pub impl HTMLCollection {
-    fn init_wrapper(@mut self) {
+use std::cast;
+
+impl HTMLCollection {
+    pub fn init_wrapper(@mut self) {
         let script_context = global_script_context();
         let cx = script_context.js_compartment.cx.ptr;
         let owner = script_context.root_frame.get_ref().window;
diff --git a/src/components/script/dom/bindings/node.rs b/src/components/script/dom/bindings/node.rs
index 36e1984d0ca..49a857405a9 100644
--- a/src/components/script/dom/bindings/node.rs
+++ b/src/components/script/dom/bindings/node.rs
@@ -9,9 +9,12 @@ use dom::bindings::utils::{CacheableWrapper, WrapperCache, DerivedWrapper};
 use dom::node::{AbstractNode, Node, ElementNodeTypeId, TextNodeTypeId, CommentNodeTypeId};
 use dom::node::{DoctypeNodeTypeId, ScriptView};
 
-use core::libc::c_uint;
-use core::ptr::null;
-use js::jsapi::bindgen::*;
+use std::cast;
+use std::libc::c_uint;
+use std::ptr;
+use std::ptr::null;
+use std::vec;
+use js::jsapi::*;
 use js::jsapi::{JSContext, JSVal, JSObject, JSBool, JSPropertySpec};
 use js::jsapi::{JSPropertyOpWrapper, JSStrictPropertyOpWrapper};
 use js::jsval::{INT_TO_JSVAL};
@@ -53,7 +56,9 @@ pub fn init(compartment: @mut Compartment) {
          setter: JSStrictPropertyOpWrapper {op: null(), info: null()}}];
     vec::push(&mut compartment.global_props, attrs);
     vec::as_imm_buf(*attrs, |specs, _len| {
-        JS_DefineProperties(compartment.cx.ptr, obj.ptr, specs);
+        unsafe {
+            JS_DefineProperties(compartment.cx.ptr, obj.ptr, specs);
+        }
     });
 }
 
diff --git a/src/components/script/dom/bindings/proxyhandler.rs b/src/components/script/dom/bindings/proxyhandler.rs
index f073f54d8c1..2780a969eb2 100644
--- a/src/components/script/dom/bindings/proxyhandler.rs
+++ b/src/components/script/dom/bindings/proxyhandler.rs
@@ -3,11 +3,15 @@
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 
 use js::jsapi::{JSContext, jsid, JSPropertyDescriptor, JSObject, JSString, jschar};
-use js::jsapi::bindgen::{JS_GetPropertyDescriptorById, JS_NewUCString, JS_malloc, JS_free};
-use js::glue::bindgen::{RUST_JSVAL_IS_VOID, RUST_JSVAL_TO_OBJECT, GetProxyExtra};
-use js::glue::bindgen::{GetObjectProto};
+use js::jsapi::{JS_GetPropertyDescriptorById, JS_NewUCString, JS_malloc, JS_free};
+use js::glue::{RUST_JSVAL_IS_VOID, RUST_JSVAL_TO_OBJECT, GetProxyExtra};
+use js::glue::{GetObjectProto};
 
-use core::sys::size_of;
+use std::cast;
+use std::libc;
+use std::ptr;
+use std::str;
+use std::sys::size_of;
 
 type c_bool = libc::c_int;
 
@@ -68,7 +72,7 @@ pub fn _obj_toString(cx: *JSContext, className: *libc::c_char) -> *JSString {
     }
 
     let result = ~"[object " + name + ~"]";
-    for result.each_chari |i, c| {
+    for result.iter().enumerate().advance |(i, c)| {
       *chars.offset(i) = c as jschar;
     }
     *chars.offset(nchars) = 0;
diff --git a/src/components/script/dom/bindings/text.rs b/src/components/script/dom/bindings/text.rs
index 5067896a6e2..2ec4a6a69df 100644
--- a/src/components/script/dom/bindings/text.rs
+++ b/src/components/script/dom/bindings/text.rs
@@ -10,10 +10,14 @@ use dom::node::{AbstractNode, Text, Comment, Doctype, TextNodeTypeId, CommentNod
 use dom::node::{DoctypeNodeTypeId, ScriptView};
 
 use js::jsapi::{JSFreeOp, JSObject, JSContext};
-use js::jsapi::bindgen::{JS_SetReservedSlot};
-use js::glue::bindgen::{RUST_PRIVATE_TO_JSVAL};
+use js::jsapi::{JS_SetReservedSlot};
+use js::glue::{RUST_PRIVATE_TO_JSVAL};
 use js::rust::{Compartment, jsobj};
 
+use std::cast;
+use std::libc;
+use std::result;
+
 extern fn finalize_text(_fop: *JSFreeOp, obj: *JSObject) {
     debug!("text finalize: %?!", obj as uint);
     unsafe {
@@ -83,8 +87,10 @@ pub fn create(cx: *JSContext, node: &mut AbstractNode<ScriptView>) -> jsobj {
     assert!(cache.get_wrapper().is_null());
     cache.set_wrapper(obj.ptr);
 
-    let raw_ptr = node.raw_object() as *libc::c_void;
-    JS_SetReservedSlot(obj.ptr, DOM_OBJECT_SLOT as u32, RUST_PRIVATE_TO_JSVAL(raw_ptr));
+    unsafe {
+        let raw_ptr = node.raw_object() as *libc::c_void;
+        JS_SetReservedSlot(obj.ptr, DOM_OBJECT_SLOT as u32, RUST_PRIVATE_TO_JSVAL(raw_ptr));
+    }
 
     return obj;
 }
diff --git a/src/components/script/dom/bindings/utils.rs b/src/components/script/dom/bindings/utils.rs
index 206cc4224ba..9d3105fefca 100644
--- a/src/components/script/dom/bindings/utils.rs
+++ b/src/components/script/dom/bindings/utils.rs
@@ -6,20 +6,26 @@ use dom::bindings::node;
 use dom::node::{AbstractNode, ScriptView};
 use script_task::task_from_context;
 
-use core::cast;
-use core::hashmap::HashMap;
-use core::ptr::{null, to_unsafe_ptr};
-use js::glue::bindgen::*;
-use js::glue::bindgen::{DefineFunctionWithReserved, GetObjectJSClass, RUST_OBJECT_TO_JSVAL};
+use std::cast;
+use std::hashmap::HashMap;
+use std::libc;
+use std::ptr;
+use std::ptr::{null, to_unsafe_ptr};
+use std::result;
+use std::str;
+use std::sys;
+use std::uint;
+use js::glue::*;
+use js::glue::{DefineFunctionWithReserved, GetObjectJSClass, RUST_OBJECT_TO_JSVAL};
 use js::glue::{PROPERTY_STUB, STRICT_PROPERTY_STUB, ENUMERATE_STUB, CONVERT_STUB, RESOLVE_STUB};
-use js::jsapi::bindgen::{JS_AlreadyHasOwnProperty, JS_NewObject, JS_NewFunction};
-use js::jsapi::bindgen::{JS_DefineProperties, JS_WrapValue, JS_ForwardGetPropertyTo};
-use js::jsapi::bindgen::{JS_EncodeString, JS_free, JS_GetStringCharsAndLength};
-use js::jsapi::bindgen::{JS_GetClass, JS_GetPrototype, JS_LinkConstructorAndPrototype};
-use js::jsapi::bindgen::{JS_GetFunctionPrototype, JS_InternString, JS_GetFunctionObject};
-use js::jsapi::bindgen::{JS_HasPropertyById, JS_GetPrototype, JS_GetGlobalForObject};
-use js::jsapi::bindgen::{JS_NewStringCopyN, JS_DefineFunctions, JS_DefineProperty};
-use js::jsapi::bindgen::{JS_ValueToString, JS_GetReservedSlot, JS_SetReservedSlot};
+use js::jsapi::{JS_AlreadyHasOwnProperty, JS_NewObject, JS_NewFunction};
+use js::jsapi::{JS_DefineProperties, JS_WrapValue, JS_ForwardGetPropertyTo};
+use js::jsapi::{JS_EncodeString, JS_free, JS_GetStringCharsAndLength};
+use js::jsapi::{JS_GetClass, JS_GetPrototype, JS_LinkConstructorAndPrototype};
+use js::jsapi::{JS_GetFunctionPrototype, JS_InternString, JS_GetFunctionObject};
+use js::jsapi::{JS_HasPropertyById, JS_GetPrototype, JS_GetGlobalForObject};
+use js::jsapi::{JS_NewStringCopyN, JS_DefineFunctions, JS_DefineProperty};
+use js::jsapi::{JS_ValueToString, JS_GetReservedSlot, JS_SetReservedSlot};
 use js::jsapi::{JSContext, JSVal, JSObject, JSBool, jsid, JSClass, JSNative};
 use js::jsapi::{JSFunctionSpec, JSPropertySpec, JSVal, JSPropertyDescriptor};
 use js::jsfriendapi::bindgen::JS_NewObjectWithUniqueType;
@@ -88,8 +94,8 @@ pub enum DOMString {
     null_string
 }
 
-pub impl DOMString {
-    fn to_str(&self) -> ~str {
+impl DOMString {
+    pub fn to_str(&self) -> ~str {
         match *self {
           str(ref s) => s.clone(),
           null_string => ~""
@@ -129,17 +135,17 @@ pub unsafe fn squirrel_away<T>(x: @mut T) -> *rust_box<T> {
 
 //XXX very incomplete
 pub fn jsval_to_str(cx: *JSContext, v: JSVal) -> Result<~str, ()> {
-    let jsstr;
-    if RUST_JSVAL_IS_STRING(v) == 1 {
-        jsstr = RUST_JSVAL_TO_STRING(v)
-    } else {
-        jsstr = JS_ValueToString(cx, v);
-        if jsstr.is_null() {
-            return Err(());
+    unsafe {
+        let jsstr;
+        if RUST_JSVAL_IS_STRING(v) == 1 {
+            jsstr = RUST_JSVAL_TO_STRING(v)
+        } else {
+            jsstr = JS_ValueToString(cx, v);
+            if jsstr.is_null() {
+                return Err(());
+            }
         }
-    }
 
-    unsafe {
         let strbuf = JS_EncodeString(cx, jsstr);
         let buf = str::raw::from_buf(strbuf as *u8);
         JS_free(cx, strbuf as *libc::c_void);
@@ -172,45 +178,49 @@ pub fn get_compartment(cx: *JSContext) -> @mut Compartment {
 
 extern fn has_instance(_cx: *JSContext, obj: **JSObject, v: *JSVal, bp: *mut JSBool) -> JSBool {
     //XXXjdm this is totally broken for non-object values
-    let mut o = RUST_JSVAL_TO_OBJECT(unsafe {*v});
-    let obj = unsafe {*obj};
-    unsafe { *bp = 0; }
-    while o.is_not_null() {
-        if o == obj {
-            unsafe { *bp = 1; }
-            break;
+    unsafe {
+        let mut o = RUST_JSVAL_TO_OBJECT(unsafe {*v});
+        let obj = unsafe {*obj};
+        unsafe { *bp = 0; }
+        while o.is_not_null() {
+            if o == obj {
+                unsafe { *bp = 1; }
+                break;
+            }
+            o = JS_GetPrototype(o);
         }
-        o = JS_GetPrototype(o);
+        return 1;
     }
-    return 1;
 }
 
 pub fn prototype_jsclass(name: ~str) -> @fn(compartment: @mut Compartment) -> JSClass {
     let f: @fn(@mut Compartment) -> JSClass = |compartment: @mut Compartment| {
-        JSClass {
-            name: compartment.add_name(copy name),
-            flags: 0,
-            addProperty: GetJSClassHookStubPointer(PROPERTY_STUB) as *u8,
-            delProperty: GetJSClassHookStubPointer(PROPERTY_STUB) as *u8,
-            getProperty: GetJSClassHookStubPointer(PROPERTY_STUB) as *u8,
-            setProperty: GetJSClassHookStubPointer(STRICT_PROPERTY_STUB) as *u8,
-            enumerate: GetJSClassHookStubPointer(ENUMERATE_STUB) as *u8,
-            resolve: GetJSClassHookStubPointer(RESOLVE_STUB) as *u8,
-            convert: GetJSClassHookStubPointer(CONVERT_STUB) as *u8,
-            finalize: null(),
-            checkAccess: null(),
-            call: null(),
-            hasInstance: has_instance,
-            construct: null(),
-            trace: null(),
-            reserved: (null(), null(), null(), null(), null(),  // 05
-                       null(), null(), null(), null(), null(),  // 10
-                       null(), null(), null(), null(), null(),  // 15
-                       null(), null(), null(), null(), null(),  // 20
-                       null(), null(), null(), null(), null(),  // 25
-                       null(), null(), null(), null(), null(),  // 30
-                       null(), null(), null(), null(), null(),  // 35
-                       null(), null(), null(), null(), null())  // 40
+        unsafe {
+            JSClass {
+                name: compartment.add_name(copy name),
+                flags: 0,
+                addProperty: GetJSClassHookStubPointer(PROPERTY_STUB) as *u8,
+                delProperty: GetJSClassHookStubPointer(PROPERTY_STUB) as *u8,
+                getProperty: GetJSClassHookStubPointer(PROPERTY_STUB) as *u8,
+                setProperty: GetJSClassHookStubPointer(STRICT_PROPERTY_STUB) as *u8,
+                enumerate: GetJSClassHookStubPointer(ENUMERATE_STUB) as *u8,
+                resolve: GetJSClassHookStubPointer(RESOLVE_STUB) as *u8,
+                convert: GetJSClassHookStubPointer(CONVERT_STUB) as *u8,
+                finalize: null(),
+                checkAccess: null(),
+                call: null(),
+                hasInstance: has_instance,
+                construct: null(),
+                trace: null(),
+                reserved: (null(), null(), null(), null(), null(),  // 05
+                           null(), null(), null(), null(), null(),  // 10
+                           null(), null(), null(), null(), null(),  // 15
+                           null(), null(), null(), null(), null(),  // 20
+                           null(), null(), null(), null(), null(),  // 25
+                           null(), null(), null(), null(), null(),  // 30
+                           null(), null(), null(), null(), null(),  // 35
+                           null(), null(), null(), null(), null())  // 40
+            }
         }
     };
     return f;
@@ -219,30 +229,32 @@ pub fn prototype_jsclass(name: ~str) -> @fn(compartment: @mut Compartment) -> JS
 pub fn instance_jsclass(name: ~str, finalize: *u8, trace: *u8)
                      -> @fn(compartment: @mut Compartment) -> JSClass {
     let f: @fn(@mut Compartment) -> JSClass = |compartment: @mut Compartment| {
-        JSClass {
-            name: compartment.add_name(copy name),
-            flags: JSCLASS_HAS_RESERVED_SLOTS(1) | js::JSCLASS_IS_DOMJSCLASS,
-            addProperty: GetJSClassHookStubPointer(PROPERTY_STUB) as *u8,
-            delProperty: GetJSClassHookStubPointer(PROPERTY_STUB) as *u8,
-            getProperty: GetJSClassHookStubPointer(PROPERTY_STUB) as *u8,
-            setProperty: GetJSClassHookStubPointer(STRICT_PROPERTY_STUB) as *u8,
-            enumerate: GetJSClassHookStubPointer(ENUMERATE_STUB) as *u8,
-            resolve: GetJSClassHookStubPointer(RESOLVE_STUB) as *u8,
-            convert: GetJSClassHookStubPointer(CONVERT_STUB) as *u8,
-            finalize: finalize,
-            checkAccess: null(),
-            call: null(),
-            hasInstance: has_instance,
-            construct: null(),
-            trace: trace,
-            reserved: (null(), null(), null(), null(), null(),  // 05
-                       null(), null(), null(), null(), null(),  // 10
-                       null(), null(), null(), null(), null(),  // 15
-                       null(), null(), null(), null(), null(),  // 20
-                       null(), null(), null(), null(), null(),  // 25
-                       null(), null(), null(), null(), null(),  // 30
-                       null(), null(), null(), null(), null(),  // 35
-                       null(), null(), null(), null(), null())  // 40
+        unsafe {
+            JSClass {
+                name: compartment.add_name(copy name),
+                flags: JSCLASS_HAS_RESERVED_SLOTS(1) | js::JSCLASS_IS_DOMJSCLASS,
+                addProperty: GetJSClassHookStubPointer(PROPERTY_STUB) as *u8,
+                delProperty: GetJSClassHookStubPointer(PROPERTY_STUB) as *u8,
+                getProperty: GetJSClassHookStubPointer(PROPERTY_STUB) as *u8,
+                setProperty: GetJSClassHookStubPointer(STRICT_PROPERTY_STUB) as *u8,
+                enumerate: GetJSClassHookStubPointer(ENUMERATE_STUB) as *u8,
+                resolve: GetJSClassHookStubPointer(RESOLVE_STUB) as *u8,
+                convert: GetJSClassHookStubPointer(CONVERT_STUB) as *u8,
+                finalize: finalize,
+                checkAccess: null(),
+                call: null(),
+                hasInstance: has_instance,
+                construct: null(),
+                trace: trace,
+                reserved: (null(), null(), null(), null(), null(),  // 05
+                           null(), null(), null(), null(), null(),  // 10
+                           null(), null(), null(), null(), null(),  // 15
+                           null(), null(), null(), null(), null(),  // 20
+                           null(), null(), null(), null(), null(),  // 25
+                           null(), null(), null(), null(), null(),  // 30
+                           null(), null(), null(), null(), null(),  // 35
+                           null(), null(), null(), null(), null())  // 40
+            }
         }
     };
     return f;
@@ -262,12 +274,14 @@ pub fn define_empty_prototype(name: ~str, proto: Option<~str>, compartment: @mut
             None => compartment.new_object(copy name, null(), compartment.global_obj.ptr)
         });
 
-    compartment.define_property(copy name, RUST_OBJECT_TO_JSVAL(obj.ptr),
-                                GetJSClassHookStubPointer(PROPERTY_STUB) as *u8,
-                                GetJSClassHookStubPointer(STRICT_PROPERTY_STUB) as *u8,
-                                JSPROP_ENUMERATE);
-    compartment.stash_global_proto(name, obj);
-    return obj;
+    unsafe {
+        compartment.define_property(copy name, RUST_OBJECT_TO_JSVAL(obj.ptr),
+                                    GetJSClassHookStubPointer(PROPERTY_STUB) as *u8,
+                                    GetJSClassHookStubPointer(STRICT_PROPERTY_STUB) as *u8,
+                                    JSPROP_ENUMERATE);
+        compartment.stash_global_proto(name, obj);
+        return obj;
+    }
 }
 
 // We use slot 0 for holding the raw object.  This is safe for both
@@ -390,8 +404,10 @@ pub fn CreateInterfaceObjects2(cx: *JSContext, global: *JSObject, receiver: *JSO
             return ptr::null();
         }
 
-        JS_SetReservedSlot(proto, DOM_PROTO_INSTANCE_CLASS_SLOT,
-                           RUST_PRIVATE_TO_JSVAL(domClass as *libc::c_void));
+        unsafe {
+            JS_SetReservedSlot(proto, DOM_PROTO_INSTANCE_CLASS_SLOT,
+                               RUST_PRIVATE_TO_JSVAL(domClass as *libc::c_void));
+        }
     }
 
     let mut interface = ptr::null();
@@ -419,75 +435,77 @@ fn CreateInterfaceObject(cx: *JSContext, global: *JSObject, receiver: *JSObject,
                          staticMethods: *JSFunctionSpec,
                          constants: *ConstantSpec,
                          name: *libc::c_char) -> *JSObject {
-    let constructor = if constructorClass.is_not_null() {
-        let functionProto = JS_GetFunctionPrototype(cx, global);
-        if functionProto.is_null() {
-            ptr::null()
+    unsafe {
+        let constructor = if constructorClass.is_not_null() {
+            let functionProto = JS_GetFunctionPrototype(cx, global);
+            if functionProto.is_null() {
+                ptr::null()
+            } else {
+                JS_NewObject(cx, constructorClass, functionProto, global)
+            }
         } else {
-            JS_NewObject(cx, constructorClass, functionProto, global)
+            assert!(constructorNative.is_not_null());
+            let fun = JS_NewFunction(cx, constructorNative, ctorNargs,
+                                     JSFUN_CONSTRUCTOR, global, name);
+            if fun.is_null() {
+                ptr::null()
+            } else {
+                JS_GetFunctionObject(fun)
+            }
+        };
+
+        if constructor.is_null() {
+            return ptr::null();
         }
-    } else {
-        assert!(constructorNative.is_not_null());
-        let fun = JS_NewFunction(cx, constructorNative, ctorNargs,
-                                 JSFUN_CONSTRUCTOR, global, name);
-        if fun.is_null() {
-            ptr::null()
-        } else {
-            JS_GetFunctionObject(fun)
+
+        if staticMethods.is_not_null() &&
+            !DefineMethods(cx, constructor, staticMethods) {
+            return ptr::null();
         }
-    };
 
-    if constructor.is_null() {
-        return ptr::null();
-    }
+        if constructorClass.is_not_null() {
+            let toString = do str::as_c_str("toString") |s| {
+                DefineFunctionWithReserved(cx, constructor, s,
+                                           InterfaceObjectToString,
+                                           0, 0)
+            };
+            if toString.is_null() {
+                return ptr::null();
+            }
 
-    if staticMethods.is_not_null() &&
-       !DefineMethods(cx, constructor, staticMethods) {
-        return ptr::null();
-    }
+            let toStringObj = JS_GetFunctionObject(toString);
+            SetFunctionNativeReserved(toStringObj, TOSTRING_CLASS_RESERVED_SLOT,
+                                      &RUST_PRIVATE_TO_JSVAL(constructorClass as *libc::c_void));
+            let s = JS_InternString(cx, name);
+            if s.is_null() {
+                return ptr::null();
+            }
+            SetFunctionNativeReserved(toStringObj, TOSTRING_NAME_RESERVED_SLOT,
+                                      &RUST_STRING_TO_JSVAL(s));
+        }
 
-    if constructorClass.is_not_null() {
-        let toString = do str::as_c_str("toString") |s| {
-            DefineFunctionWithReserved(cx, constructor, s,
-                                       InterfaceObjectToString,
-                                       0, 0)
-        };
-        if toString.is_null() {
+        if constants.is_not_null() &&
+            !DefineConstants(cx, constructor, constants) {
             return ptr::null();
         }
 
-        let toStringObj = JS_GetFunctionObject(toString);
-        SetFunctionNativeReserved(toStringObj, TOSTRING_CLASS_RESERVED_SLOT,
-                                  &RUST_PRIVATE_TO_JSVAL(constructorClass as *libc::c_void));
-        let s = JS_InternString(cx, name);
-        if s.is_null() {
+        if proto.is_not_null() && JS_LinkConstructorAndPrototype(cx, constructor, proto) == 0 {
             return ptr::null();
         }
-        SetFunctionNativeReserved(toStringObj, TOSTRING_NAME_RESERVED_SLOT,
-                                  &RUST_STRING_TO_JSVAL(s));
-    }
-
-    if constants.is_not_null() &&
-       !DefineConstants(cx, constructor, constants) {
-        return ptr::null();
-    }
 
-    if proto.is_not_null() && JS_LinkConstructorAndPrototype(cx, constructor, proto) == 0 {
-        return ptr::null();
-    }
+        let alreadyDefined = 0;
+        if JS_AlreadyHasOwnProperty(cx, receiver, name, &alreadyDefined) == 0 {
+            return ptr::null();
+        }
 
-    let alreadyDefined = 0;
-    if JS_AlreadyHasOwnProperty(cx, receiver, name, &alreadyDefined) == 0 {
-        return ptr::null();
-    }
+        if alreadyDefined == 0 &&
+            JS_DefineProperty(cx, receiver, name, RUST_OBJECT_TO_JSVAL(constructor),
+                              ptr::null(), ptr::null(), 0) == 0 {
+            return ptr::null();
+        }
 
-    if alreadyDefined == 0 &&
-       JS_DefineProperty(cx, receiver, name, RUST_OBJECT_TO_JSVAL(constructor),
-                         ptr::null(), ptr::null(), 0) == 0 {
-        return ptr::null();
+        return constructor;
     }
-
-    return constructor;
 }
 
 fn DefineConstants(cx: *JSContext, obj: *JSObject, constants: *ConstantSpec) -> bool {
@@ -520,11 +538,15 @@ fn DefineConstants(cx: *JSContext, obj: *JSObject, constants: *ConstantSpec) ->
 }
 
 fn DefineMethods(cx: *JSContext, obj: *JSObject, methods: *JSFunctionSpec) -> bool {
-    JS_DefineFunctions(cx, obj, methods) != 0
+    unsafe {
+        JS_DefineFunctions(cx, obj, methods) != 0
+    }
 }
 
 fn DefineProperties(cx: *JSContext, obj: *JSObject, properties: *JSPropertySpec) -> bool {
-    JS_DefineProperties(cx, obj, properties) != 0
+    unsafe {
+        JS_DefineProperties(cx, obj, properties) != 0
+    }
 }
 
 fn CreateInterfacePrototypeObject(cx: *JSContext, global: *JSObject,
@@ -532,24 +554,26 @@ fn CreateInterfacePrototypeObject(cx: *JSContext, global: *JSObject,
                                   methods: *JSFunctionSpec,
                                   properties: *JSPropertySpec,
                                   constants: *ConstantSpec) -> *JSObject {
-    let ourProto = JS_NewObjectWithUniqueType(cx, protoClass, parentProto, global);
-    if ourProto.is_null() {
-        return ptr::null();
-    }
+    unsafe {
+        let ourProto = JS_NewObjectWithUniqueType(cx, protoClass, parentProto, global);
+        if ourProto.is_null() {
+            return ptr::null();
+        }
 
-    if methods.is_not_null() && !DefineMethods(cx, ourProto, methods) {
-        return ptr::null();
-    }
+        if methods.is_not_null() && !DefineMethods(cx, ourProto, methods) {
+            return ptr::null();
+        }
 
-    if properties.is_not_null() && !DefineProperties(cx, ourProto, properties) {
-        return ptr::null();
-    }
+        if properties.is_not_null() && !DefineProperties(cx, ourProto, properties) {
+            return ptr::null();
+        }
 
-    if constants.is_not_null() && !DefineConstants(cx, ourProto, constants) {
-        return ptr::null();
-    }
+        if constants.is_not_null() && !DefineConstants(cx, ourProto, constants) {
+            return ptr::null();
+        }
 
-    return ourProto;
+        return ourProto;
+    }
 }
 
 pub extern fn ThrowingConstructor(_cx: *JSContext, _argc: uint, _vp: *JSVal) -> JSBool {
@@ -578,20 +602,20 @@ pub struct WrapperCache {
     wrapper: *JSObject
 }
 
-pub impl WrapperCache {
-    fn get_wrapper(&self) -> *JSObject {
+impl WrapperCache {
+    pub fn get_wrapper(&self) -> *JSObject {
         unsafe { cast::transmute(self.wrapper) }
     }
 
-    fn set_wrapper(&mut self, wrapper: *JSObject) {
+    pub fn set_wrapper(&mut self, wrapper: *JSObject) {
         self.wrapper = wrapper;
     }
 
-    fn get_rootable(&self) -> **JSObject {
+    pub fn get_rootable(&self) -> **JSObject {
         return to_unsafe_ptr(&self.wrapper);
     }
 
-    fn new() -> WrapperCache {
+    pub fn new() -> WrapperCache {
         WrapperCache {
             wrapper: ptr::null()
         }
@@ -660,10 +684,12 @@ pub fn GetPropertyOnPrototype(cx: *JSContext, proxy: *JSObject, id: jsid, found:
 }
 
 pub fn GetArrayIndexFromId(_cx: *JSContext, id: jsid) -> Option<u32> {
-    if RUST_JSID_IS_INT(id) != 0 {
-        return Some(RUST_JSID_TO_INT(id) as u32);
+    unsafe {
+        if RUST_JSID_IS_INT(id) != 0 {
+            return Some(RUST_JSID_TO_INT(id) as u32);
+        }
+        return None;
     }
-    return None;
     // if id is length atom, -1, otherwise
     /*return if JSID_IS_ATOM(id) {
         let atom = JSID_TO_ATOM(id);
@@ -730,11 +756,13 @@ pub fn XrayResolveProperty(cx: *JSContext,
 }
 
 fn InternJSString(cx: *JSContext, chars: *libc::c_char) -> Option<jsid> {
-    let s = JS_InternString(cx, chars);
-    if s.is_not_null() {
-        Some(RUST_INTERNED_STRING_TO_JSID(cx, s))
-    } else {
-        None
+    unsafe {
+        let s = JS_InternString(cx, chars);
+        if s.is_not_null() {
+            Some(RUST_INTERNED_STRING_TO_JSID(cx, s))
+        } else {
+            None
+        }
     }
 }
 
diff --git a/src/components/script/dom/bindings/window.rs b/src/components/script/dom/bindings/window.rs
index 27d55ff1475..6bcb8466cde 100644
--- a/src/components/script/dom/bindings/window.rs
+++ b/src/components/script/dom/bindings/window.rs
@@ -9,16 +9,19 @@ use dom::bindings::utils::{WrapperCache};
 use dom::window::Window;
 use super::utils;
 
-use core::libc::c_uint;
-use core::ptr::null;
-use core::ptr;
+use std::cast;
+use std::libc;
+use std::libc::c_uint;
+use std::ptr::null;
+use std::ptr;
+use std::result;
 use js::crust::{JS_PropertyStub, JS_StrictPropertyStub};
 use js::global::jsval_to_rust_str;
-use js::glue::bindgen::*;
-use js::glue::bindgen::RUST_JSVAL_TO_INT;
-use js::jsapi::bindgen::{JS_DefineFunctions, JS_GC, JS_GetRuntime};
-use js::jsapi::bindgen::{JS_GetReservedSlot, JS_SetReservedSlot};
-use js::jsapi::bindgen::{JS_ValueToString};
+use js::glue::*;
+use js::glue::RUST_JSVAL_TO_INT;
+use js::jsapi::{JS_DefineFunctions, JS_GC, JS_GetRuntime};
+use js::jsapi::{JS_GetReservedSlot, JS_SetReservedSlot};
+use js::jsapi::{JS_ValueToString};
 use js::jsapi::{JSContext, JSVal, JSObject, JSBool, JSFreeOp, JSFunctionSpec};
 use js::jsapi::{JSNativeWrapper};
 use js::rust::Compartment;
@@ -67,9 +70,11 @@ extern fn close(cx: *JSContext, _argc: c_uint, vp: *JSVal) -> JSBool {
 }
 
 extern fn gc(cx: *JSContext, _argc: c_uint, _vp: *JSVal) -> JSBool {
-    let runtime = JS_GetRuntime(cx);
-    JS_GC(runtime);
-    return 1;
+    unsafe {
+        let runtime = JS_GetRuntime(cx);
+        JS_GC(runtime);
+        return 1;
+    }
 }
 
 unsafe fn unwrap(obj: *JSObject) -> *rust_box<Window> {
@@ -128,7 +133,9 @@ pub fn init(compartment: @mut Compartment) {
         }
     ];
 
-    JS_DefineFunctions(compartment.cx.ptr, proto.ptr, &methods[0]);
+    unsafe {
+        JS_DefineFunctions(compartment.cx.ptr, proto.ptr, &methods[0]);
+    }
 }
 
 pub fn create(compartment: @mut Compartment, win: @mut Window) {
@@ -141,13 +148,13 @@ pub fn create(compartment: @mut Compartment, win: @mut Window) {
     unsafe {
         let raw_ptr: *libc::c_void = cast::transmute(squirrel_away(win));
         JS_SetReservedSlot(obj.ptr, 0, RUST_PRIVATE_TO_JSVAL(raw_ptr));
-    }
 
-    //TODO: All properties/methods on Window need to be available on the global
-    //      object as well. We probably want a special JSClass with a resolve hook.
-    compartment.define_property(~"window", RUST_OBJECT_TO_JSVAL(obj.ptr),
-                                JS_PropertyStub, JS_StrictPropertyStub,
-                                JSPROP_ENUMERATE);
+        //TODO: All properties/methods on Window need to be available on the global
+        //      object as well. We probably want a special JSClass with a resolve hook.
+        compartment.define_property(~"window", RUST_OBJECT_TO_JSVAL(obj.ptr),
+                                    JS_PropertyStub, JS_StrictPropertyStub,
+                                    JSPROP_ENUMERATE);
+    }
 }
 
 impl CacheableWrapper for Window {
diff --git a/src/components/script/dom/characterdata.rs b/src/components/script/dom/characterdata.rs
index 4108868d8d4..91838432f6b 100644
--- a/src/components/script/dom/characterdata.rs
+++ b/src/components/script/dom/characterdata.rs
@@ -7,7 +7,7 @@
 use dom::bindings::utils::{DOMString, null_string, str};
 use dom::node::{Node, NodeTypeId, ScriptView};
 
-use core::str;
+use std::str;
 
 pub struct CharacterData {
     parent: Node<ScriptView>,
@@ -46,7 +46,7 @@ impl CharacterData {
 
     pub fn AppendData(&mut self, arg: DOMString) {
         let s = self.data.to_str();
-        self.data = str(str::append(s, arg.to_str()));
+        self.data = str(s.append(arg.to_str()));
     }
 
     pub fn InsertData(&mut self, _offset: u32, _arg: DOMString) {
diff --git a/src/components/script/dom/clientrect.rs b/src/components/script/dom/clientrect.rs
index 3c9f6f9dca9..ccddcff788f 100644
--- a/src/components/script/dom/clientrect.rs
+++ b/src/components/script/dom/clientrect.rs
@@ -4,6 +4,8 @@
 
 use dom::bindings::utils::WrapperCache;
 
+use std::f32;
+
 pub struct ClientRect {
     wrapper: WrapperCache,
     top: f32,
diff --git a/src/components/script/dom/clientrectlist.rs b/src/components/script/dom/clientrectlist.rs
index ff48e6623be..6165f13e6e3 100644
--- a/src/components/script/dom/clientrectlist.rs
+++ b/src/components/script/dom/clientrectlist.rs
@@ -10,8 +10,8 @@ pub struct ClientRectList {
     rects: ~[@mut ClientRect]
 }
 
-pub impl ClientRectList {
-    fn new(rects: ~[@mut ClientRect]) -> @mut ClientRectList {
+impl ClientRectList {
+    pub fn new(rects: ~[@mut ClientRect]) -> @mut ClientRectList {
         let list = @mut ClientRectList {
             wrapper: WrapperCache::new(),
             rects: rects
@@ -20,11 +20,11 @@ pub impl ClientRectList {
         list
     }
 
-    fn Length(&self) -> u32 {
+    pub fn Length(&self) -> u32 {
         self.rects.len() as u32
     }
 
-    fn Item(&self, index: u32) -> Option<@mut ClientRect> {
+    pub fn Item(&self, index: u32) -> Option<@mut ClientRect> {
         if index < self.rects.len() as u32 {
             Some(self.rects[index])
         } else {
@@ -32,7 +32,7 @@ pub impl ClientRectList {
         }
     }
 
-    fn IndexedGetter(&self, index: u32, found: &mut bool) -> Option<@mut ClientRect> {
+    pub fn IndexedGetter(&self, index: u32, found: &mut bool) -> Option<@mut ClientRect> {
         *found = index < self.rects.len() as u32;
         self.Item(index)
     }
diff --git a/src/components/script/dom/document.rs b/src/components/script/dom/document.rs
index ba52025362f..2a0afc0010e 100644
--- a/src/components/script/dom/document.rs
+++ b/src/components/script/dom/document.rs
@@ -9,7 +9,7 @@ use dom::node::{AbstractNode, ScriptView};
 use dom::window::Window;
 use script_task::global_script_context;
 
-use js::jsapi::bindgen::{JS_AddObjectRoot, JS_RemoveObjectRoot};
+use js::jsapi::{JS_AddObjectRoot, JS_RemoveObjectRoot};
 use servo_util::tree::{TreeNodeRef, TreeUtils};
 
 pub struct Document {
@@ -19,23 +19,25 @@ pub struct Document {
 }
 
 pub fn Document(root: AbstractNode<ScriptView>, window: Option<@mut Window>) -> @mut Document {
-    let doc = @mut Document {
-        root: root,
-        wrapper: WrapperCache::new(),
-        window: window
-    };
-    let compartment = global_script_context().js_compartment;
-    do root.with_base |base| {
-        assert!(base.wrapper.get_wrapper().is_not_null());
-        let rootable = base.wrapper.get_rootable();
-        JS_AddObjectRoot(compartment.cx.ptr, rootable);
+    unsafe {
+        let doc = @mut Document {
+            root: root,
+            wrapper: WrapperCache::new(),
+            window: window
+        };
+        let compartment = global_script_context().js_compartment;
+        do root.with_base |base| {
+            assert!(base.wrapper.get_wrapper().is_not_null());
+            let rootable = base.wrapper.get_rootable();
+            JS_AddObjectRoot(compartment.cx.ptr, rootable);
+        }
+        document::create(compartment, doc);
+        doc
     }
-    document::create(compartment, doc);
-    doc
 }
 
-pub impl Document {
-    fn getElementsByTagName(&self, tag: DOMString) -> Option<@mut HTMLCollection> {
+impl Document {
+    pub fn getElementsByTagName(&self, tag: DOMString) -> Option<@mut HTMLCollection> {
         let mut elements = ~[];
         let tag = tag.to_str();
         let _ = for self.root.traverse_preorder |child| {
@@ -50,18 +52,20 @@ pub impl Document {
         Some(HTMLCollection::new(elements))
     }
 
-    fn content_changed(&self) {
-        for self.window.each |window| {
+    pub fn content_changed(&self) {
+        for self.window.iter().advance |window| {
             window.content_changed()
         }
     }
 
-    fn teardown(&self) {
-        let compartment = global_script_context().js_compartment;
-        do self.root.with_base |node| {
-            assert!(node.wrapper.get_wrapper().is_not_null());
-            let rootable = node.wrapper.get_rootable();
-            JS_RemoveObjectRoot(compartment.cx.ptr, rootable);
+    pub fn teardown(&self) {
+        unsafe {
+            let compartment = global_script_context().js_compartment;
+            do self.root.with_base |node| {
+                assert!(node.wrapper.get_wrapper().is_not_null());
+                let rootable = node.wrapper.get_rootable();
+                JS_RemoveObjectRoot(compartment.cx.ptr, rootable);
+            }
         }
     }
 }
diff --git a/src/components/script/dom/element.rs b/src/components/script/dom/element.rs
index 742fdb46682..e707a95ebb9 100644
--- a/src/components/script/dom/element.rs
+++ b/src/components/script/dom/element.rs
@@ -11,9 +11,10 @@ use dom::node::{ElementNodeTypeId, Node, ScriptView};
 use layout_interface::{ContentBoxQuery, ContentBoxResponse, ContentBoxesQuery};
 use layout_interface::{ContentBoxesResponse};
 
-use core::cell::Cell;
-use core::str::eq_slice;
-use std::net::url::Url;
+use std::cell::Cell;
+use std::uint;
+use std::str::eq_slice;
+use extra::net::url::Url;
 
 pub struct Element {
     parent: Node<ScriptView>,
@@ -114,7 +115,7 @@ pub struct HTMLImageElement {
 // Element methods
 //
 
-pub impl<'self> Element {
+impl<'self> Element {
     pub fn new(type_id: ElementTypeId, tag_name: ~str) -> Element {
         Element {
             parent: Node::new(ElementNodeTypeId(type_id)),
@@ -123,7 +124,7 @@ pub impl<'self> Element {
         }
     }
 
-    fn get_attr(&'self self, name: &str) -> Option<&'self str> {
+    pub fn get_attr(&'self self, name: &str) -> Option<&'self str> {
         // FIXME: Need an each() that links lifetimes in Rust.
         for uint::range(0, self.attrs.len()) |i| {
             if eq_slice(self.attrs[i].name, name) {
@@ -134,11 +135,11 @@ pub impl<'self> Element {
         return None;
     }
 
-    fn set_attr(&mut self, name: &DOMString, value: &DOMString) {
+    pub fn set_attr(&mut self, name: &DOMString, value: &DOMString) {
         let name = name.to_str();
         let value = value.to_str();
         // FIXME: We need a better each_mut in Rust; this is ugly.
-        let value_cell = Cell(value);
+        let value_cell = Cell::new(value);
         let mut found = false;
         for uint::range(0, self.attrs.len()) |i| {
             if eq_slice(self.attrs[i].name, name) {
@@ -157,7 +158,7 @@ pub impl<'self> Element {
         }
     }
 
-    fn getClientRects(&self) -> Option<@mut ClientRectList> {
+    pub fn getClientRects(&self) -> Option<@mut ClientRectList> {
         let rects = match self.parent.owner_doc {
             Some(doc) => {
                 match doc.window {
@@ -199,7 +200,7 @@ pub impl<'self> Element {
         Some(ClientRectList::new(rects))
     }
 
-    fn getBoundingClientRect(&self) -> Option<@mut ClientRect> {
+    pub fn getBoundingClientRect(&self) -> Option<@mut ClientRect> {
         match self.parent.owner_doc {
             Some(doc) => {
                 match doc.window {
diff --git a/src/components/script/dom/event.rs b/src/components/script/dom/event.rs
index 6b4be15b701..047b734e6b4 100644
--- a/src/components/script/dom/event.rs
+++ b/src/components/script/dom/event.rs
@@ -9,6 +9,8 @@ use dom::bindings::utils::{DOMString, ErrorResult, WrapperCache};
 
 use geom::point::Point2D;
 
+use std::comm;
+
 pub enum Event {
     ResizeEvent(uint, uint), 
     ReflowEvent,
diff --git a/src/components/script/dom/eventtarget.rs b/src/components/script/dom/eventtarget.rs
index b216b7d0cca..e4066ccb8d4 100644
--- a/src/components/script/dom/eventtarget.rs
+++ b/src/components/script/dom/eventtarget.rs
@@ -8,8 +8,8 @@ pub struct EventTarget {
     wrapper: WrapperCache
 }
 
-pub impl EventTarget {
-    fn new() -> ~EventTarget {
+impl EventTarget {
+    pub fn new() -> ~EventTarget {
         ~EventTarget {
             wrapper: WrapperCache::new()
         }
diff --git a/src/components/script/dom/htmlcollection.rs b/src/components/script/dom/htmlcollection.rs
index 762504a7002..403469061b8 100644
--- a/src/components/script/dom/htmlcollection.rs
+++ b/src/components/script/dom/htmlcollection.rs
@@ -8,13 +8,15 @@ use dom::node::{AbstractNode, ScriptView};
 
 use js::jsapi::{JSObject, JSContext};
 
+use std::ptr;
+
 pub struct HTMLCollection {
     elements: ~[AbstractNode<ScriptView>],
     wrapper: WrapperCache
 }
 
-pub impl HTMLCollection {
-    fn new(elements: ~[AbstractNode<ScriptView>]) -> @mut HTMLCollection {
+impl HTMLCollection {
+    pub fn new(elements: ~[AbstractNode<ScriptView>]) -> @mut HTMLCollection {
         let collection = @mut HTMLCollection {
             elements: elements,
             wrapper: WrapperCache::new()
@@ -23,11 +25,11 @@ pub impl HTMLCollection {
         collection
     }
     
-    fn Length(&self) -> u32 {
+    pub fn Length(&self) -> u32 {
         self.elements.len() as u32
     }
 
-    fn Item(&self, index: u32) -> Option<AbstractNode<ScriptView>> {
+    pub fn Item(&self, index: u32) -> Option<AbstractNode<ScriptView>> {
         if index < self.Length() {
             Some(self.elements[index])
         } else {
@@ -35,12 +37,12 @@ pub impl HTMLCollection {
         }
     }
 
-    fn NamedItem(&self, _cx: *JSContext, _name: DOMString, rv: &mut ErrorResult) -> *JSObject {
+    pub fn NamedItem(&self, _cx: *JSContext, _name: DOMString, rv: &mut ErrorResult) -> *JSObject {
         *rv = Ok(());
         ptr::null()
     }
 
-    fn IndexedGetter(&self, index: u32, found: &mut bool) -> Option<AbstractNode<ScriptView>> {
+    pub fn IndexedGetter(&self, index: u32, found: &mut bool) -> Option<AbstractNode<ScriptView>> {
         *found = true;
         self.Item(index)
     }
diff --git a/src/components/script/dom/node.rs b/src/components/script/dom/node.rs
index 875c31f8322..d415288bfa2 100644
--- a/src/components/script/dom/node.rs
+++ b/src/components/script/dom/node.rs
@@ -14,8 +14,10 @@ use dom::element::{Element, ElementTypeId, HTMLImageElement, HTMLImageElementTyp
 use dom::element::{HTMLStyleElementTypeId};
 use script_task::global_script_context;
 
-use core::cast::transmute;
-use core::libc::c_void;
+use std::cast;
+use std::cast::transmute;
+use std::libc::c_void;
+use std::uint;
 use js::rust::Compartment;
 use netsurfcss::util::VoidPtrLike;
 use servo_util::tree::{TreeNode, TreeNodeRef, TreeUtils};
diff --git a/src/components/script/dom/window.rs b/src/components/script/dom/window.rs
index 0c48008827d..5fb07c66f07 100644
--- a/src/components/script/dom/window.rs
+++ b/src/components/script/dom/window.rs
@@ -8,10 +8,15 @@ use dom::bindings::window;
 use layout_interface::ReflowForScriptQuery;
 use script_task::{ExitMsg, FireTimerMsg, ScriptChan, ScriptContext};
 
-use core::comm::Chan;
+use std::comm;
+use std::comm::Chan;
+use std::libc;
+use std::int;
+use std::io;
+use std::ptr;
 use js::jsapi::JSVal;
-use std::timer;
-use std::uv_global_loop;
+use extra::timer;
+use extra::uv_global_loop;
 
 pub enum TimerControlMsg {
     TimerMessage_Fire(~TimerData),
@@ -61,17 +66,17 @@ pub fn TimerData(argc: libc::c_uint, argv: *JSVal) -> TimerData {
 
 // FIXME: delayed_send shouldn't require Copy
 #[allow(non_implicitly_copyable_typarams)]
-pub impl Window {
-    fn alert(&self, s: &str) {
+impl Window {
+    pub fn alert(&self, s: &str) {
         // Right now, just print to the console
         io::println(fmt!("ALERT: %s", s));
     }
 
-    fn close(&self) {
+    pub fn close(&self) {
         self.timer_chan.send(TimerMessage_TriggerExit);
     }
 
-    fn setTimeout(&self, timeout: int, argc: libc::c_uint, argv: *JSVal) {
+    pub fn setTimeout(&self, timeout: int, argc: libc::c_uint, argv: *JSVal) {
         let timeout = int::max(0, timeout) as uint;
 
         // Post a delayed message to the per-window timer task; it will dispatch it
@@ -82,7 +87,7 @@ pub impl Window {
                             TimerMessage_Fire(~TimerData(argc, argv)));
     }
 
-    fn content_changed(&self) {
+    pub fn content_changed(&self) {
         unsafe {
             (*self.script_context).reflow_all(ReflowForScriptQuery)
         }
diff --git a/src/components/script/html/cssparse.rs b/src/components/script/html/cssparse.rs
index 7d1e4214462..1278ba47f6c 100644
--- a/src/components/script/html/cssparse.rs
+++ b/src/components/script/html/cssparse.rs
@@ -4,13 +4,15 @@
 
 /// Some little helpers for hooking up the HTML parser with the CSS parser.
 
-use core::cell::Cell;
-use core::comm::Port;
-use core::str;
+use std::cell::Cell;
+use std::comm;
+use std::comm::Port;
+use std::task;
+use std::str;
 use newcss::stylesheet::Stylesheet;
 use newcss::util::DataStream;
 use servo_net::resource_task::{ResourceTask, ProgressMsg, Load, Payload, Done};
-use std::net::url::Url;
+use extra::net::url::Url;
 
 /// Where a style sheet comes from.
 pub enum StylesheetProvenance {
@@ -23,12 +25,12 @@ pub fn spawn_css_parser(provenance: StylesheetProvenance,
                      -> Port<Stylesheet> {
     let (result_port, result_chan) = comm::stream();
 
-    let provenance_cell = Cell(provenance);
+    let provenance_cell = Cell::new(provenance);
     do task::spawn {
         let url = do provenance_cell.with_ref |p| {
             match *p {
-                UrlProvenance(copy the_url) => the_url,
-                InlineProvenance(copy the_url, _) => the_url
+                UrlProvenance(ref the_url) => copy *the_url,
+                InlineProvenance(ref the_url, _) => copy *the_url
             }
         };
 
@@ -64,13 +66,14 @@ fn resource_port_to_data_stream(input_port: Port<ProgressMsg>) -> DataStream {
 }
 
 fn data_to_data_stream(data: ~str) -> DataStream {
-    let data_cell = Cell(data);
+    let data_cell = Cell::new(data);
     return || {
         if data_cell.is_empty() {
             None
         } else {
             // FIXME: Blech, a copy.
-            Some(str::to_bytes(data_cell.take()))
+            let data = data_cell.take();
+            Some(data.as_bytes().to_owned())
         }
     }
 }
diff --git a/src/components/script/html/hubbub_html_parser.rs b/src/components/script/html/hubbub_html_parser.rs
index f604038c58b..6309e488d7e 100644
--- a/src/components/script/html/hubbub_html_parser.rs
+++ b/src/components/script/html/hubbub_html_parser.rs
@@ -8,17 +8,21 @@ use dom::node::{Text};
 use html::cssparse::{InlineProvenance, StylesheetProvenance, UrlProvenance, spawn_css_parser};
 use newcss::stylesheet::Stylesheet;
 
-use core::cell::Cell;
-use core::comm::{Chan, Port, SharedChan};
-use core::str::eq_slice;
+use std::cast;
+use std::cell::Cell;
+use std::comm;
+use std::comm::{Chan, Port, SharedChan};
+use std::str::eq_slice;
+use std::result;
+use std::task;
 use hubbub::hubbub;
 use servo_net::image_cache_task::ImageCacheTask;
 use servo_net::image_cache_task;
 use servo_net::resource_task::{Done, Load, Payload, ResourceTask};
 use servo_util::tree::TreeUtils;
 use servo_util::url::make_url;
-use std::net::url::Url;
-use std::net::url;
+use extra::net::url::Url;
+use extra::net::url;
 
 macro_rules! handle_element(
     ($tag:expr, $string:expr, $type_id:expr, $ctor:ident, [ $(($field:ident : $field_init:expr)),* ]) => (
@@ -101,7 +105,7 @@ fn css_link_listener(to_parent: Chan<Option<Stylesheet>>,
 
     // Send the sheets back in order
     // FIXME: Shouldn't wait until after we've recieved CSSTaskExit to start sending these
-    do vec::consume(result_vec) |_i, port| {
+    do result_vec.consume |_i, port| {
         to_parent.send(Some(port.recv()));
     }
     to_parent.send(None);
@@ -140,7 +144,7 @@ fn js_script_listener(to_parent: Chan<~[~[u8]]>,
                         }
                     }
                 }
-                vec::push(&mut result_vec, result_port);
+                result_vec.push(result_port);
             }
             JSTaskExit => {
                 break;
@@ -148,7 +152,7 @@ fn js_script_listener(to_parent: Chan<~[~[u8]]>,
         }
     }
 
-    let js_scripts = vec::filter_map(result_vec, |result_port| result_port.recv());
+    let js_scripts = result_vec.iter().filter_map(|result_port| result_port.recv()).collect();
     to_parent.send(js_scripts);
 }
 
@@ -211,9 +215,9 @@ pub fn parse_html(url: Url,
     let resource_task2 = resource_task.clone();
 
     let (stylesheet_port, stylesheet_chan) = comm::stream();
-    let stylesheet_chan = Cell(stylesheet_chan);
+    let stylesheet_chan = Cell::new(stylesheet_chan);
     let (css_msg_port, css_msg_chan) = comm::stream();
-    let css_msg_port = Cell(css_msg_port);
+    let css_msg_port = Cell::new(css_msg_port);
     do spawn {
         css_link_listener(stylesheet_chan.take(), css_msg_port.take(), resource_task2.clone());
     }
@@ -223,15 +227,16 @@ pub fn parse_html(url: Url,
     // Spawn a JS parser to receive JavaScript.
     let resource_task2 = resource_task.clone();
     let (js_result_port, js_result_chan) = comm::stream();
-    let js_result_chan = Cell(js_result_chan);
+    let js_result_chan = Cell::new(js_result_chan);
     let (js_msg_port, js_msg_chan) = comm::stream();
-    let js_msg_port = Cell(js_msg_port);
+    let js_msg_port = Cell::new(js_msg_port);
     do spawn {
         js_script_listener(js_result_chan.take(), js_msg_port.take(), resource_task2.clone());
     }
     let js_chan = SharedChan::new(js_msg_chan);
 
-    let url2 = url.clone(), url3 = url.clone();
+    let url2 = url.clone();
+    let url3 = url.clone();
 
     // Build the root node.
     let root = ~HTMLHtmlElement { parent: Element::new(HTMLHtmlElementTypeId, ~"html") };
@@ -239,7 +244,7 @@ pub fn parse_html(url: Url,
     debug!("created new node");
     let mut parser = hubbub::Parser("UTF-8", false);
     debug!("created parser");
-    parser.set_document_node(root.to_hubbub_node());
+    parser.set_document_node(unsafe { root.to_hubbub_node() });
     parser.enable_scripting(true);
 
     // Performs various actions necessary after appending has taken place. Currently, this
@@ -250,7 +255,7 @@ pub fn parse_html(url: Url,
         if parent_node.is_style_element() && child_node.is_text() {
             debug!("found inline CSS stylesheet");
             let url = url::from_str("http://example.com/"); // FIXME
-            let url_cell = Cell(url);
+            let url_cell = Cell::new(url);
             do child_node.with_imm_text |text_node| {
                 let data = text_node.parent.data.to_str();  // FIXME: Bad copy.
                 let provenance = InlineProvenance(result::unwrap(url_cell.take()), data);
@@ -330,7 +335,7 @@ pub fn parse_html(url: Url,
                 _ => {}
             }
 
-            node.to_hubbub_node()
+            unsafe { node.to_hubbub_node() }
         },
         create_text: |data: ~str| {
             debug!("create text");
diff --git a/src/components/script/layout_interface.rs b/src/components/script/layout_interface.rs
index d4d0aef7cf3..3a1531b83e6 100644
--- a/src/components/script/layout_interface.rs
+++ b/src/components/script/layout_interface.rs
@@ -9,13 +9,13 @@
 use dom::node::{AbstractNode, ScriptView, LayoutView};
 use script_task::{ScriptMsg, ScriptChan};
 
-use core::comm::{Chan, SharedChan};
+use std::comm::{Chan, SharedChan};
 use geom::rect::Rect;
 use geom::size::Size2D;
 use geom::point::Point2D;
 use gfx::geometry::Au;
 use newcss::stylesheet::Stylesheet;
-use std::net::url::Url;
+use extra::net::url::Url;
 
 /// Asynchronous messages that script can send to layout.
 ///
diff --git a/src/components/script/script.rc b/src/components/script/script.rc
index 4b90ee1f0b2..3538c9e8795 100644
--- a/src/components/script/script.rc
+++ b/src/components/script/script.rc
@@ -20,7 +20,7 @@ extern mod newcss (name = "css");
 extern mod servo_net (name = "net");
 extern mod servo_util (name = "util");
 extern mod servo_msg (name = "msg");
-extern mod std;
+extern mod extra;
 
 pub mod dom {
     pub mod bindings {
diff --git a/src/components/script/script_task.rs b/src/components/script/script_task.rs
index ec655dc2984..01b57b73b6b 100644
--- a/src/components/script/script_task.rs
+++ b/src/components/script/script_task.rs
@@ -19,30 +19,31 @@ use layout_interface::{ReflowForDisplay, ReflowForScriptQuery, ReflowGoal, Reflo
 use layout_interface;
 use servo_msg::engine::{EngineChan, LoadUrlMsg};
 
-use core::cast::transmute;
-use core::cell::Cell;
-use core::comm::{Port, SharedChan};
-use core::io::read_whole_file;
-use core::local_data;
-use core::ptr::null;
-use core::task::{SingleThreaded, task};
-use core::util::replace;
+use std::cast::transmute;
+use std::cell::Cell;
+use std::comm;
+use std::comm::{Port, SharedChan};
+use std::io::read_whole_file;
+use std::local_data;
+use std::ptr::null;
+use std::task::{SingleThreaded, task};
+use std::util::replace;
 use dom::window::TimerData;
 use geom::size::Size2D;
 use html::hubbub_html_parser;
 use js::JSVAL_NULL;
 use js::global::{global_class, debug_fns};
-use js::glue::bindgen::RUST_JSVAL_TO_OBJECT;
+use js::glue::RUST_JSVAL_TO_OBJECT;
 use js::jsapi::JSContext;
-use js::jsapi::bindgen::{JS_CallFunctionValue, JS_GetContextPrivate};
+use js::jsapi::{JS_CallFunctionValue, JS_GetContextPrivate};
 use js::rust::{Compartment, Cx};
 use js;
 use servo_net::image_cache_task::ImageCacheTask;
 use servo_net::resource_task::ResourceTask;
 use servo_util::tree::TreeNodeRef;
 use servo_util::url::make_url;
-use std::net::url::Url;
-use std::net::url;
+use extra::net::url::Url;
+use extra::net::url;
 
 /// Messages used to control the script task.
 pub enum ScriptMsg {
@@ -146,7 +147,9 @@ pub fn global_script_context() -> @ScriptContext {
 ///
 /// FIXME: Rename to `script_context_from_js_context`.
 pub fn task_from_context(js_context: *JSContext) -> *mut ScriptContext {
-    JS_GetContextPrivate(js_context) as *mut ScriptContext
+    unsafe {
+        JS_GetContextPrivate(js_context) as *mut ScriptContext
+    }
 }
 
 #[unsafe_destructor]
@@ -200,7 +203,7 @@ impl ScriptContext {
 
             root_frame: None,
 
-            window_size: Size2D(800, 600),
+            window_size: Size2D(800u, 600),
             damage: None,
         };
         // Indirection for Rust Issue #6248, dynamic freeze scope artifically extended
@@ -208,9 +211,9 @@ impl ScriptContext {
             let borrowed_ctx= &mut *script_context;
             borrowed_ctx as *mut ScriptContext
         };
-        js_context.set_cx_private(script_context_ptr as *());
 
         unsafe {
+            js_context.set_cx_private(script_context_ptr as *());
             local_data::local_data_set(global_script_context_key, transmute(script_context))
         }
 
@@ -232,8 +235,8 @@ impl ScriptContext {
                                  compositor_task: ~fn(ReadyState),
                                  resource_task: ResourceTask,
                                  image_cache_task: ImageCacheTask) {
-        let script_port = Cell(script_port);
-        let compositor_task = Cell(compositor_task);
+        let script_port = Cell::new(script_port);
+        let compositor_task = Cell::new(compositor_task);
         // FIXME: rust#6399
         let mut the_task = task();
         the_task.sched_mode(SingleThreaded);
@@ -298,22 +301,24 @@ impl ScriptContext {
 
     /// Handles a timer that fired.
     fn handle_fire_timer_msg(&mut self, timer_data: ~TimerData) {
-        let this_value = if timer_data.args.len() > 0 {
-            RUST_JSVAL_TO_OBJECT(timer_data.args[0])
-        } else {
-            self.js_compartment.global_obj.ptr
-        };
-
-        // TODO: Support extra arguments. This requires passing a `*JSVal` array as `argv`.
-        let rval = JSVAL_NULL;
-        JS_CallFunctionValue(self.js_context.ptr,
-                             this_value,
-                             timer_data.funval,
-                             0,
-                             null(),
-                             &rval);
-
-        self.reflow(ReflowForScriptQuery)
+        unsafe {
+            let this_value = if timer_data.args.len() > 0 {
+                RUST_JSVAL_TO_OBJECT(timer_data.args[0])
+            } else {
+                self.js_compartment.global_obj.ptr
+            };
+
+            // TODO: Support extra arguments. This requires passing a `*JSVal` array as `argv`.
+            let rval = JSVAL_NULL;
+            JS_CallFunctionValue(self.js_context.ptr,
+                                 this_value,
+                                 timer_data.funval,
+                                 0,
+                                 null(),
+                                 &rval);
+
+            self.reflow(ReflowForScriptQuery)
+        }
     }
 
     /// Handles a notification that reflow completed.
@@ -325,7 +330,7 @@ impl ScriptContext {
     /// Handles a request to exit the script task and shut down layout.
     fn handle_exit_msg(&mut self) {
         self.join_layout();
-        for self.root_frame.each |frame| {
+        for self.root_frame.iter().advance |frame| {
             frame.document.teardown();
         }
 
@@ -401,7 +406,7 @@ impl ScriptContext {
         self.js_compartment.define_functions(debug_fns);
 
         // Evaluate every script in the document.
-        do vec::consume(js_scripts) |_, bytes| {
+        do js_scripts.consume |_, bytes| {
             let _ = self.js_context.evaluate_script(self.js_compartment.global_obj,
                                                     bytes,
                                                     ~"???",
@@ -472,7 +477,7 @@ impl ScriptContext {
     ///
     /// FIXME: This should basically never be used.
     pub fn reflow_all(&mut self, goal: ReflowGoal) {
-        for self.root_frame.each |root_frame| {
+        for self.root_frame.iter().advance |root_frame| {
             ScriptContext::damage(&mut self.damage,
                                   root_frame.document.root,
                                   MatchSelectorsDocumentDamage)
@@ -520,7 +525,7 @@ impl ScriptContext {
 
                 self.window_size = Size2D(new_width, new_height);
 
-                for self.root_frame.each |root_frame| {
+                for self.root_frame.iter().advance |root_frame| {
                     ScriptContext::damage(&mut self.damage,
                                           root_frame.document.root,
                                           ReflowDocumentDamage);
@@ -535,7 +540,7 @@ impl ScriptContext {
             ReflowEvent => {
                 debug!("script got reflow event");
 
-                for self.root_frame.each |root_frame| {
+                for self.root_frame.iter().advance |root_frame| {
                     ScriptContext::damage(&mut self.damage,
                                           root_frame.document.root,
                                           MatchSelectorsDocumentDamage);
diff --git a/src/components/util/cache.rs b/src/components/util/cache.rs
index eb2be31afcf..a03afdf961d 100644
--- a/src/components/util/cache.rs
+++ b/src/components/util/cache.rs
@@ -13,8 +13,8 @@ pub struct MonoCache<K, V> {
     entry: Option<(K,V)>,
 }
 
-pub impl<K: Copy + Eq, V: Copy> MonoCache<K,V> {
-    fn new(_size: uint) -> MonoCache<K,V> {
+impl<K: Copy + Eq, V: Copy> MonoCache<K,V> {
+    pub fn new(_size: uint) -> MonoCache<K,V> {
         MonoCache { entry: None }
     }
 }
@@ -27,7 +27,7 @@ impl<K: Copy + Eq, V: Copy> Cache<K,V> for MonoCache<K,V> {
     fn find(&mut self, key: &K) -> Option<V> {
         match self.entry {
             None => None,
-            Some((ref k,v)) => if *k == *key { Some(v) } else { None }
+            Some((ref k, ref v)) => if *k == *key { Some(copy *v) } else { None }
         }
     }
 
@@ -65,19 +65,19 @@ pub struct LRUCache<K, V> {
     cache_size: uint,
 }
 
-pub impl<K: Copy + Eq, V: Copy> LRUCache<K,V> {
-    fn new(size: uint) -> LRUCache<K, V> {
+impl<K: Copy + Eq, V: Copy> LRUCache<K,V> {
+    pub fn new(size: uint) -> LRUCache<K, V> {
         LRUCache {
           entries: ~[],
           cache_size: size,
         }
     }
 
-    fn touch(&mut self, pos: uint) -> V {
+    pub fn touch(&mut self, pos: uint) -> V {
         let (key, val) = copy self.entries[pos];
         if pos != self.cache_size {
             self.entries.remove(pos);
-            self.entries.push((key, val));
+            self.entries.push((key, copy val));
         }
         val
     }
@@ -103,7 +103,7 @@ impl<K: Copy + Eq, V: Copy> Cache<K,V> for LRUCache<K,V> {
             Some(pos) => self.touch(pos),
             None => {
               let val = blk(key);
-              self.insert(key, val);
+              self.insert(key, copy val);
               val
             }
         }
diff --git a/src/components/util/range.rs b/src/components/util/range.rs
index bc5728aa006..3b55c48f8d0 100644
--- a/src/components/util/range.rs
+++ b/src/components/util/range.rs
@@ -2,6 +2,8 @@
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 
+use std::uint;
+
 enum RangeRelation {
     OverlapsBegin(/* overlap */ uint),
     OverlapsEnd(/* overlap */ uint),
@@ -17,7 +19,7 @@ pub struct Range {
     priv len: uint
 }
 
-pub impl Range {
+impl Range {
     pub fn new(off: uint, len: uint) -> Range {
         Range { off: off, len: len }
     }
@@ -27,12 +29,12 @@ pub impl Range {
     }
 }
 
-pub impl Range {
-    fn begin(&self) -> uint { self.off  }
-    fn length(&self) -> uint { self.len }
-    fn end(&self) -> uint { self.off + self.len }
+impl Range {
+    pub fn begin(&self) -> uint { self.off  }
+    pub fn length(&self) -> uint { self.len }
+    pub fn end(&self) -> uint { self.off + self.len }
 
-    fn eachi(&self, callback: &fn(uint) -> bool) -> bool {
+    pub fn eachi(&self, callback: &fn(uint) -> bool) -> bool {
         for uint::range(self.off, self.off + self.len) |i| {
             if !callback(i) {
                 break
@@ -41,32 +43,32 @@ pub impl Range {
         true
     }
 
-    fn contains(&self, i: uint) -> bool {
+    pub fn contains(&self, i: uint) -> bool {
         i >= self.begin() && i < self.end()
     }
 
-    fn is_valid_for_string(&self, s: &str) -> bool {
+    pub fn is_valid_for_string(&self, s: &str) -> bool {
         self.begin() < s.len() && self.end() <= s.len() && self.length() <= s.len()
     }
 
-    fn shift_by(&mut self, i: int) { 
+    pub fn shift_by(&mut self, i: int) { 
         self.off = ((self.off as int) + i) as uint;
     }
 
-    fn extend_by(&mut self, i: int) { 
+    pub fn extend_by(&mut self, i: int) { 
         self.len = ((self.len as int) + i) as uint;
     }
 
-    fn extend_to(&mut self, i: uint) { 
+    pub fn extend_to(&mut self, i: uint) { 
         self.len = i - self.off;
     }
 
-    fn adjust_by(&mut self, off_i: int, len_i: int) {
+    pub fn adjust_by(&mut self, off_i: int, len_i: int) {
         self.off = ((self.off as int) + off_i) as uint;
         self.len = ((self.len as int) + len_i) as uint;
     }
 
-    fn reset(&mut self, off_i: uint, len_i: uint) {
+    pub fn reset(&mut self, off_i: uint, len_i: uint) {
         self.off = off_i;
         self.len = len_i;
     }
@@ -74,7 +76,7 @@ pub impl Range {
     /// Computes the relationship between two ranges (`self` and `other`),
     /// from the point of view of `self`. So, 'EntirelyBefore' means
     /// that the `self` range is entirely before `other` range.
-    fn relation_to_range(&self, other: &Range) -> RangeRelation {
+    pub fn relation_to_range(&self, other: &Range) -> RangeRelation {
         if other.begin() > self.end() {
             return EntirelyBefore;
         }
@@ -102,7 +104,7 @@ pub impl Range {
                   self, other));
     }
 
-    fn repair_after_coalesced_range(&mut self, other: &Range) {
+    pub fn repair_after_coalesced_range(&mut self, other: &Range) {
         let relation = self.relation_to_range(other);
         debug!("repair_after_coalesced_range: possibly repairing range %?", self);
         debug!("repair_after_coalesced_range: relation of original range and coalesced range(%?): %?",
diff --git a/src/components/util/time.rs b/src/components/util/time.rs
index d5312bc58fa..00e222baaeb 100644
--- a/src/components/util/time.rs
+++ b/src/components/util/time.rs
@@ -3,10 +3,10 @@
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 
 // Timing functions.
-use std::time::precise_time_ns;
-use core::cell::Cell;
-use core::comm::{Port, SharedChan};
-use std::sort::tim_sort;
+use extra::time::precise_time_ns;
+use std::cell::Cell;
+use std::comm::{Port, SharedChan};
+use extra::sort::tim_sort;
 
 // front-end representation of the profiler used to communicate with the profiler
 #[deriving(Clone)]
@@ -111,7 +111,7 @@ impl ProfilerCategory {
 
 impl Profiler {
     pub fn create(port: Port<ProfilerMsg>) {
-        let port = Cell(port);
+        let port = Cell::new(port);
         do spawn {
             let mut profiler = Profiler::new(port.take());
             profiler.start();
@@ -154,7 +154,7 @@ impl Profiler {
         println(fmt!("%31s %15s %15s %15s %15s %15s",
                          "_category (ms)_", "_mean (ms)_", "_median (ms)_",
                          "_min (ms)_", "_max (ms)_", "_bucket size_"));
-        for vec::each_mut(self.buckets) |bucket| {
+        for self.buckets.mut_iter().advance |bucket| {
             match *bucket {
                 (category, ref mut data) => {
                     tim_sort(*data);
@@ -163,8 +163,8 @@ impl Profiler {
                         let (mean, median, min, max) =
                             (data.foldl(0f64, |a, b| a + *b) / (data_len as f64),
                              data[data_len / 2],
-                             data.min(),
-                             data.max());
+                             data.iter().min(),
+                             data.iter().max());
                         println(fmt!("%-30s: %15.4? %15.4? %15.4? %15.4? %15u",
                                      category.format(), mean, median, min, max, data_len));
                     }
diff --git a/src/components/util/url.rs b/src/components/util/url.rs
index 0d2b86f75a2..01a8f9b13d1 100644
--- a/src/components/util/url.rs
+++ b/src/components/util/url.rs
@@ -2,9 +2,11 @@
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 
-use std::net::url;
-use std::net::url::Url;
-use core::hashmap::HashMap;
+use extra::net::url;
+use extra::net::url::Url;
+use std::hashmap::HashMap;
+use std::os;
+use std::result;
 
 /**
 Create a URL object from a string. Does various helpful browsery things like
@@ -36,15 +38,15 @@ pub fn make_url(str_url: ~str, current_url: Option<Url>) -> Url {
                       str_url.starts_with("/") {
                 current_url.scheme + "://" +
                 current_url.host + "/" +
-                str_url.trim_left_chars([ '/' ])
+                str_url.trim_left_chars(&'/')
             } else {
                 let mut path = ~[];
-                for str::each_split_char(current_url.path, '/') |p| {
+                for current_url.path.split_iter('/').advance |p| {
                     path.push(p.to_str());
                 }
                 let path = path; // FIXME: borrow checker workaround
                 let path = path.init();
-                let path = str::connect(path.map(|x| copy *x) + ~[str_url], "/");
+                let path = (path.map(|x| copy *x) + [str_url]).connect("/");
 
                 current_url.scheme + "://" + current_url.host + path
             }
diff --git a/src/components/util/util.rc b/src/components/util/util.rc
index 20ef07f01bf..1bc4c1cc021 100644
--- a/src/components/util/util.rc
+++ b/src/components/util/util.rc
@@ -8,7 +8,7 @@
        url = "http://servo.org/")];
 #[crate_type = "lib"];
 
-extern mod std;
+extern mod extra;
 
 pub mod cache;
 pub mod range;
diff --git a/src/components/util/vec.rs b/src/components/util/vec.rs
index 8a0ebf9edfa..dab59bfa1da 100644
--- a/src/components/util/vec.rs
+++ b/src/components/util/vec.rs
@@ -2,7 +2,7 @@
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 
-use core::cmp::{Ord, Eq};
+use std::cmp::{Ord, Eq};
 
 pub trait BinarySearchMethods<'self, T: Ord + Eq> {
     fn binary_search(&self, key: &T) -> Option<&'self T>;
diff --git a/src/platform/linux/rust-fontconfig b/src/platform/linux/rust-fontconfig
-Subproject 7cb7a7aace99b17f99f15649377bb13a0dac9b6
+Subproject faca1281aaf112e96ee03041744fe85ac427319
diff --git a/src/platform/linux/rust-freetype b/src/platform/linux/rust-freetype
-Subproject cde4fdcfe2c956f070c2b0e26c5fd99821248cd
+Subproject 5247c3e97f7eafa336c8a028a3175c3bc3a2d95
diff --git a/src/platform/linux/rust-xlib b/src/platform/linux/rust-xlib
-Subproject 0ac7b8dc20c4142ac6ad4500d7ae90c2bd3e742
+Subproject 788f41a6e924e5c3f9d254d3e5dabf2b3e622f0
diff --git a/src/platform/macos/rust-cocoa b/src/platform/macos/rust-cocoa
-Subproject d916b9796668d4bb46a3b1b4976c95ab7da7983
+Subproject 3ef4cf7fdaaaa51026ec546a71426ff03a0899f
diff --git a/src/platform/macos/rust-core-foundation b/src/platform/macos/rust-core-foundation
-Subproject 40b2a4eaf80287a4c4727b97313151705b4f04c
+Subproject ea8d2bd026cd91d3fb5fd753677da3fd7d21dba
diff --git a/src/platform/macos/rust-core-graphics b/src/platform/macos/rust-core-graphics
-Subproject 3433fbda15cf2f16e00ff8103ae7652468a43a2
+Subproject bf9d0ebf3e0283f8bdb505d29d93de9631f7877
diff --git a/src/platform/macos/rust-core-text b/src/platform/macos/rust-core-text
-Subproject 98e2d7e3870759fe91c93ba520452a700fec875
+Subproject 72c7673ac50cc1ffb518de65022fb034df334ed
diff --git a/src/support/alert/rust-alert b/src/support/alert/rust-alert
-Subproject 0cba81aab4858442e9a995cf3b0149d0d116627
+Subproject 8a15a3bd2bd98ee4fb0513b71d7055c8be40a4b
diff --git a/src/support/azure/rust-azure b/src/support/azure/rust-azure
-Subproject cf5641f5b0b7720e3841518ab7fbfafb4d2443a
+Subproject 6daaffe3b6cf226c6da4979d0fb907a8258b028
diff --git a/src/support/css/rust-css b/src/support/css/rust-css
-Subproject 865f539114383a021822583801e8362faf91669
+Subproject 5e8c30cc69286e68ba9bf843f146a580381bff8
diff --git a/src/support/geom/rust-geom b/src/support/geom/rust-geom
-Subproject efba52c020945e08f00bebf8ff54ec292e95ece
+Subproject a23cb0bc99a933efa9104c2471ccd14638744ea
diff --git a/src/support/glut/rust-glut b/src/support/glut/rust-glut
-Subproject 453bf81e021008f5eba29b135f07f4529e6c8b2
+Subproject 42931c8e0894c0d3d70d29abdf16639b30e6bf9
diff --git a/src/support/harfbuzz/rust-harfbuzz b/src/support/harfbuzz/rust-harfbuzz
-Subproject 56e106b9aa05f3a341397c0e116695fb8a82622
+Subproject 4d576047b5b94d98669080f3ac25efa053024d7
diff --git a/src/support/http-client/rust-http-client b/src/support/http-client/rust-http-client
-Subproject 0b34d422ca51e4e17df76f96885287b3888974d
+Subproject d88f23d1541019baaedb350ce275349ad2ca304
diff --git a/src/support/hubbub/rust-hubbub b/src/support/hubbub/rust-hubbub
-Subproject 57f9a20399ebdb664f1a8bd1950c2bcf1e66793
+Subproject c549e77a677a6f76f8c9a42682d719d4ac20c3f
diff --git a/src/support/layers/rust-layers b/src/support/layers/rust-layers
-Subproject 1e1e359da32c9d0ddb4f93b505a658d66900842
+Subproject a1454f07d3df11b16dc88bedf79d20693bfc3bb
diff --git a/src/support/netsurfcss/rust-netsurfcss b/src/support/netsurfcss/rust-netsurfcss
-Subproject 325cd5197ed953f5c7c9317111b20ec1599eaff
+Subproject afdd72f326f720afcfa7cea6005b20924a44157
diff --git a/src/support/opengles/rust-opengles b/src/support/opengles/rust-opengles
-Subproject bb97c51065f8658911e9b16da4ec99d26099d9a
+Subproject d7c05e81acb66717f1a86ad67f391c9bc0961bb
diff --git a/src/support/sharegl/sharegl b/src/support/sharegl/sharegl
-Subproject f4e5d9421908e480b2120ed70ac33669b3add16
+Subproject a96c9f10677b0448e4ef69b5ad847da971758eb
diff --git a/src/support/spidermonkey/rust-mozjs b/src/support/spidermonkey/rust-mozjs
-Subproject 4f966f005b0dab9e26264667fb9df1249235487
+Subproject 9e623124ee5508faac2666fae20c025ff6c5247
diff --git a/src/support/stb-image/rust-stb-image b/src/support/stb-image/rust-stb-image
-Subproject e01e4a8234c31a508b06612df24ad246f2f56be
+Subproject 577bebc7c14f391cf5faddc16bda194da6a3e7b
diff --git a/src/support/wapcaplet/rust-wapcaplet b/src/support/wapcaplet/rust-wapcaplet
-Subproject cd04bcfffe3a1846096f97c5db1c158587a6045
+Subproject c726370b54f573f7f5d67619f40b0b92d55919c