Update string_cache to 0.2.

Updated string_cache, html5ever, xml5ever and selectors in Cargo.toml files and Cargo.lock.
Removed references to string_cache_plugin.
Import atom! and ns! from string_cache.
Replaced ns!("") by ns!().
Replaced ns!(XML) and co by ns!(xml) and co.
Replaced atom!(foo) by atom!("foo").
Replaced Atom::from_slice by Atom::from.
Replaced atom.as_slice() by &*atom.

1 files changed, 3 insertions, 3 deletions

diff --git a/components/script/dom/htmltablecellelement.rs b/components/script/dom/htmltablecellelement.rs
index 88730779ce2..86621953da3 100644
--- a/components/script/dom/htmltablecellelement.rs
+++ b/components/script/dom/htmltablecellelement.rs
@@ -85,7 +85,7 @@ impl HTMLTableCellElementLayoutHelpers for LayoutJS<HTMLTableCellElement> {
     fn get_background_color(&self) -> Option<RGBA> {
         unsafe {
             (&*self.upcast::<Element>().unsafe_get())
-                .get_attr_for_layout(&ns!(""), &atom!("bgcolor"))
+                .get_attr_for_layout(&ns!(), &atom!("bgcolor"))
                 .and_then(AttrValue::as_color)
                 .cloned()
         }
@@ -94,7 +94,7 @@ impl HTMLTableCellElementLayoutHelpers for LayoutJS<HTMLTableCellElement> {
     fn get_colspan(&self) -> Option<u32> {
         unsafe {
             (&*self.upcast::<Element>().unsafe_get())
-                .get_attr_for_layout(&ns!(""), &atom!("colspan"))
+                .get_attr_for_layout(&ns!(), &atom!("colspan"))
                 .map(AttrValue::as_uint)
         }
     }
@@ -114,7 +114,7 @@ impl VirtualMethods for HTMLTableCellElement {
     fn attribute_mutated(&self, attr: &Attr, mutation: AttributeMutation) {
         self.super_type().unwrap().attribute_mutated(attr, mutation);
         match *attr.local_name() {
-            atom!(width) => {
+            atom!("width") => {
                 let width = mutation.new_value(attr).map(|value| {
                     str::parse_length(&value)
                 });