Merge adjacent identical impl sections

Prior to #7416 and #7401, many of these `impl` sections were not
identical

components/script/dom/blob.rs

@@ -77,10 +77,7 @@ impl Blob {
         };
         Ok(Blob::new(global, bytes, &typeString.to_ascii_lowercase()))
     }
-}
 
-
-impl Blob {
     pub fn read_out_buffer(&self, send: Sender<Vec<u8>>) {
         send.send(self.bytes.clone().unwrap_or(vec![])).unwrap();
     }

components/script/dom/canvasrenderingcontext2d.rs

@@ -407,10 +407,7 @@ impl CanvasRenderingContext2D {
 
         Some(Rect::new(Point2D::new(x as f32, y as f32), Size2D::new(w as f32, h as f32)))
     }
-}
 
-
-impl CanvasRenderingContext2D {
     pub fn get_renderer_id(&self) -> usize {
         self.renderer_id
     }

components/script/dom/cssstyledeclaration.rs

@@ -74,9 +74,7 @@ impl CSSStyleDeclaration {
                            GlobalRef::Window(global),
                            CSSStyleDeclarationBinding::Wrap)
     }
-}
 
-impl CSSStyleDeclaration {
     fn get_computed_style(&self, property: &Atom) -> Option<DOMString> {
         let owner = self.owner.root();
         let node = NodeCast::from_ref(owner.r());

components/script/dom/dedicatedworkerglobalscope.rs

@@ -187,9 +187,7 @@ impl DedicatedWorkerGlobalScope {
             own_sender, receiver);
         DedicatedWorkerGlobalScopeBinding::Wrap(runtime.cx(), scope)
     }
-}
 
-impl DedicatedWorkerGlobalScope {
     pub fn run_worker_scope(init: WorkerGlobalScopeInit,
                             worker_url: Url,
                             id: PipelineId,
@@ -242,10 +240,7 @@ impl DedicatedWorkerGlobalScope {
             }, reporter_name, parent_sender, CommonScriptMsg::CollectReports);
         });
     }
-}
 
-
-impl DedicatedWorkerGlobalScope {
     pub fn script_chan(&self) -> Box<ScriptChan + Send> {
         box WorkerThreadWorkerChan {
             sender: self.own_sender.clone(),
@@ -269,10 +264,7 @@ impl DedicatedWorkerGlobalScope {
     pub fn process_event(&self, msg: CommonScriptMsg) {
         self.handle_script_event(WorkerScriptMsg::Common(msg));
     }
-}
 
-
-impl DedicatedWorkerGlobalScope {
     #[allow(unsafe_code)]
     fn receive_event(&self) -> Result<MixedMessage, RecvError> {
         let scope = WorkerGlobalScopeCast::from_ref(self);

components/script/dom/document.rs

@@ -1090,10 +1090,7 @@ impl Document {
         }
         document
     }
-}
 
-
-impl Document {
     fn create_node_list<F: Fn(&Node) -> bool>(&self, callback: F) -> Root<NodeList> {
         let window = self.window.root();
         let doc = self.GetDocumentElement();

components/script/dom/domtokenlist.rs

@@ -40,10 +40,7 @@ impl DOMTokenList {
                            GlobalRef::Window(window.r()),
                            DOMTokenListBinding::Wrap)
     }
-}
 
-
-impl DOMTokenList {
     fn attribute(&self) -> Option<Root<Attr>> {
         let element = self.element.root();
         element.r().get_attribute(&ns!(""), &self.local_name)

components/script/dom/eventtarget.rs

@@ -163,10 +163,7 @@ impl EventTarget {
     pub fn type_id<'a>(&'a self) -> &'a EventTargetTypeId {
         &self.type_id
     }
-}
 
-
-impl EventTarget {
     pub fn dispatch_event_with_target(&self,
                                   target: &EventTarget,
                                   event: &Event) -> bool {

components/script/dom/htmlcollection.rs

@@ -44,9 +44,7 @@ impl HTMLCollection {
         reflect_dom_object(box HTMLCollection::new_inherited(collection),
                            GlobalRef::Window(window), HTMLCollectionBinding::Wrap)
     }
-}
 
-impl HTMLCollection {
     pub fn create(window: &Window, root: &Node,
                   filter: Box<CollectionFilter + 'static>) -> Root<HTMLCollection> {
         HTMLCollection::new(window, Collection(JS::from_ref(root), filter))

components/script/dom/htmlelement.rs

@@ -77,10 +77,7 @@ impl HTMLElement {
         let element = HTMLElement::new_inherited(HTMLElementTypeId::HTMLElement, localName, prefix, document);
         Node::reflect_node(box element, document, HTMLElementBinding::Wrap)
     }
-}
 
-
-impl HTMLElement {
     fn is_body_or_frameset(&self) -> bool {
         let eventtarget = EventTargetCast::from_ref(self);
         eventtarget.is_htmlbodyelement() || eventtarget.is_htmlframesetelement()

components/script/dom/htmliframeelement.rs

@@ -159,9 +159,7 @@ impl HTMLIFrameElement {
     pub fn update_subpage_id(&self, new_subpage_id: SubpageId) {
         self.subpage_id.set(Some(new_subpage_id));
     }
-}
 
-impl HTMLIFrameElement {
     #[allow(unsafe_code)]
     pub fn get_width(&self) -> LengthOrPercentageOrAuto {
         unsafe {
@@ -183,9 +181,7 @@ impl HTMLIFrameElement {
             }).unwrap_or(LengthOrPercentageOrAuto::Auto)
         }
     }
-}
 
-impl HTMLIFrameElement {
     fn new_inherited(localName: DOMString,
                      prefix: Option<DOMString>,
                      document: &Document) -> HTMLIFrameElement {

components/script/dom/htmlimageelement.rs

@@ -143,9 +143,7 @@ impl HTMLImageElement {
             }
         }
     }
-}
 
-impl HTMLImageElement {
     fn new_inherited(localName: DOMString, prefix: Option<DOMString>, document: &Document) -> HTMLImageElement {
         HTMLImageElement {
             htmlelement: HTMLElement::new_inherited(HTMLElementTypeId::HTMLImageElement, localName, prefix, document),

components/script/dom/htmlscriptelement.rs

@@ -503,10 +503,7 @@ impl HTMLScriptElement {
     pub fn mark_already_started(&self) {
         self.already_started.set(true);
     }
-}
 
-
-impl HTMLScriptElement {
     fn dispatch_event(&self,
                       type_: DOMString,
                       bubbles: EventBubbles,

components/script/dom/htmlstyleelement.rs

@@ -48,10 +48,7 @@ impl HTMLStyleElement {
         let element = HTMLStyleElement::new_inherited(localName, prefix, document);
         Node::reflect_node(box element, document, HTMLStyleElementBinding::Wrap)
     }
-}
 
-
-impl HTMLStyleElement {
     pub fn parse_own_css(&self) {
         let node = NodeCast::from_ref(self);
         let element = ElementCast::from_ref(self);

components/script/dom/htmltablerowelement.rs

@@ -50,11 +50,7 @@ impl HTMLTableRowElement {
                            document,
                            HTMLTableRowElementBinding::Wrap)
     }
-}
 
-
-
-impl HTMLTableRowElement {
     pub fn get_background_color(&self) -> Option<RGBA> {
         self.background_color.get()
     }

components/script/dom/htmltablesectionelement.rs

@@ -49,10 +49,7 @@ impl HTMLTableSectionElement {
         let element = HTMLTableSectionElement::new_inherited(localName, prefix, document);
         Node::reflect_node(box element, document, HTMLTableSectionElementBinding::Wrap)
     }
-}
 
-
-impl HTMLTableSectionElement {
     pub fn get_background_color(&self) -> Option<RGBA> {
         self.background_color.get()
     }

components/script/dom/imagedata.rs

@@ -49,10 +49,7 @@ impl ImageData {
         reflect_dom_object(imagedata,
                            global, ImageDataBinding::Wrap)
     }
-}
 
-
-impl ImageData {
     #[allow(unsafe_code)]
     pub fn get_data_array(&self, global: &GlobalRef) -> Vec<u8> {
         unsafe {