auto merge of #2557 : saneyuki/servo/mut, r=jdm

related #2514

2 files changed, 12 insertions, 12 deletions

diff --git a/src/components/script/dom/document.rs b/src/components/script/dom/document.rs
index 6093af0b55d..8672da19b55 100644
--- a/src/components/script/dom/document.rs
+++ b/src/components/script/dom/document.rs
@@ -291,7 +291,7 @@ impl<'a> PrivateDocumentHelpers for JSRef<'a, Document> {
 }
 
 pub trait DocumentMethods {
-    fn Implementation(&mut self) -> Temporary<DOMImplementation>;
+    fn Implementation(&self) -> Temporary<DOMImplementation>;
     fn URL(&self) -> DOMString;
     fn DocumentURI(&self) -> DOMString;
     fn CompatMode(&self) -> DOMString;
@@ -326,7 +326,7 @@ pub trait DocumentMethods {
     fn Scripts(&self) -> Temporary<HTMLCollection>;
     fn Anchors(&self) -> Temporary<HTMLCollection>;
     fn Applets(&self) -> Temporary<HTMLCollection>;
-    fn Location(&mut self) -> Temporary<Location>;
+    fn Location(&self) -> Temporary<Location>;
     fn Children(&self) -> Temporary<HTMLCollection>;
     fn GetOnload(&self) -> Option<EventHandlerNonNull>;
     fn SetOnload(&mut self, listener: Option<EventHandlerNonNull>);
@@ -334,7 +334,7 @@ pub trait DocumentMethods {
 
 impl<'a> DocumentMethods for JSRef<'a, Document> {
     // http://dom.spec.whatwg.org/#dom-document-implementation
-    fn Implementation(&mut self) -> Temporary<DOMImplementation> {
+    fn Implementation(&self) -> Temporary<DOMImplementation> {
         if self.implementation.get().is_none() {
             let window = self.window.root();
             self.implementation.assign(Some(DOMImplementation::new(&*window)));
@@ -800,7 +800,7 @@ impl<'a> DocumentMethods for JSRef<'a, Document> {
         HTMLCollection::create(&*window, NodeCast::from_ref(self), filter)
     }
 
-    fn Location(&mut self) -> Temporary<Location> {
+    fn Location(&self) -> Temporary<Location> {
         let mut window = self.window.root();
         window.Location()
     }
diff --git a/src/components/script/dom/window.rs b/src/components/script/dom/window.rs
index 8e0d8fbe944..edb969cd90f 100644
--- a/src/components/script/dom/window.rs
+++ b/src/components/script/dom/window.rs
@@ -119,16 +119,16 @@ pub trait WindowMethods {
     fn Alert(&self, s: DOMString);
     fn Close(&self);
     fn Document(&self) -> Temporary<Document>;
-    fn Location(&mut self) -> Temporary<Location>;
-    fn Console(&mut self) -> Temporary<Console>;
-    fn Navigator(&mut self) -> Temporary<Navigator>;
+    fn Location(&self) -> Temporary<Location>;
+    fn Console(&self) -> Temporary<Console>;
+    fn Navigator(&self) -> Temporary<Navigator>;
     fn SetTimeout(&mut self, _cx: *mut JSContext, callback: JSVal, timeout: i32) -> i32;
     fn ClearTimeout(&mut self, handle: i32);
     fn SetInterval(&mut self, _cx: *mut JSContext, callback: JSVal, timeout: i32) -> i32;
     fn ClearInterval(&mut self, handle: i32);
     fn Window(&self) -> Temporary<Window>;
     fn Self(&self) -> Temporary<Window>;
-    fn Performance(&mut self) -> Temporary<Performance>;
+    fn Performance(&self) -> Temporary<Performance>;
     fn GetOnload(&self) -> Option<EventHandlerNonNull>;
     fn SetOnload(&mut self, listener: Option<EventHandlerNonNull>);
     fn GetOnunload(&self) -> Option<EventHandlerNonNull>;
@@ -155,7 +155,7 @@ impl<'a> WindowMethods for JSRef<'a, Window> {
         Temporary::new(frame.get_ref().document.clone())
     }
 
-    fn Location(&mut self) -> Temporary<Location> {
+    fn Location(&self) -> Temporary<Location> {
         if self.location.get().is_none() {
             let page = self.deref().page.clone();
             let location = Location::new(self, page);
@@ -164,7 +164,7 @@ impl<'a> WindowMethods for JSRef<'a, Window> {
         Temporary::new(self.location.get().get_ref().clone())
     }
 
-    fn Console(&mut self) -> Temporary<Console> {
+    fn Console(&self) -> Temporary<Console> {
         if self.console.get().is_none() {
             let console = Console::new(self);
             self.console.assign(Some(console));
@@ -172,7 +172,7 @@ impl<'a> WindowMethods for JSRef<'a, Window> {
         Temporary::new(self.console.get().get_ref().clone())
     }
 
-    fn Navigator(&mut self) -> Temporary<Navigator> {
+    fn Navigator(&self) -> Temporary<Navigator> {
         if self.navigator.get().is_none() {
             let navigator = Navigator::new(self);
             self.navigator.assign(Some(navigator));
@@ -209,7 +209,7 @@ impl<'a> WindowMethods for JSRef<'a, Window> {
         self.Window()
     }
 
-    fn Performance(&mut self) -> Temporary<Performance> {
+    fn Performance(&self) -> Temporary<Performance> {
         if self.performance.get().is_none() {
             let performance = Performance::new(self);
             self.performance.assign(Some(performance));