rAF: Introduce FrameRequestCallbackCollection for managing rAF callbacks.

Source/core/frame/DOMWindow.h

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef DOMWindow_h
 #define DOMWindow_h
 
 #include "core/CoreExport.h"
 #include "core/events/EventTarget.h"
 #include "core/frame/DOMWindowBase64.h"
 #include "core/frame/Location.h"
 #include "platform/heap/Handle.h"
 #include "platform/scroll/ScrollableArea.h"
 
 #include "wtf/Forward.h"
 
 namespace blink {
 
 class ApplicationCache;
 class BarProp;
 class CSSRuleList;
 class CSSStyleDeclaration;
 class Console;
 class DOMSelection;
 class DOMWindowCSS;
 class Document;
 class Element;
 class Frame;
+class FrameRequestCallback;
 class History;
 class LocalDOMWindow;
 class MediaQueryList;
 class Navigator;
-class RequestAnimationFrameCallback;
 class Screen;
 class ScrollToOptions;
 class SerializedScriptValue;
 class Storage;
 class StyleMedia;
 
 typedef WillBeHeapVector<RefPtrWillBeMember<MessagePort>, 1> MessagePortArray;
 
 class CORE_EXPORT DOMWindow : public EventTargetWithInlineData, public RefCountedWillBeNoBase<DOMWindow>, public DOMWindowBase64 {
     DEFINE_WRAPPERTYPEINFO();
@@ skipping 116 matching lines @@
 
     virtual PassRefPtrWillBeRawPtr<MediaQueryList> matchMedia(const String&) = 0;
 
     // DOM Level 2 Style Interface
     virtual PassRefPtrWillBeRawPtr<CSSStyleDeclaration> getComputedStyle(Element*, const String& pseudoElt) const = 0;
 
     // WebKit extensions
     virtual PassRefPtrWillBeRawPtr<CSSRuleList> getMatchedCSSRules(Element*, const String& pseudoElt) const = 0;
 
     // WebKit animation extensions
-    virtual int requestAnimationFrame(RequestAnimationFrameCallback*) = 0;
-    virtual int webkitRequestAnimationFrame(RequestAnimationFrameCallback*) = 0;
+    virtual int requestAnimationFrame(FrameRequestCallback*) = 0;
+    virtual int webkitRequestAnimationFrame(FrameRequestCallback*) = 0;
     virtual void cancelAnimationFrame(int id) = 0;
 
     void captureEvents() { }
     void releaseEvents() { }
 
     // FIXME: This handles both window[index] and window.frames[index]. However,
     // the spec exposes window.frames[index] across origins but not
     // window[index]...
     DOMWindow* anonymousIndexedGetter(uint32_t) const;
 
@@ skipping 32 matching lines @@
     DEFINE_ATTRIBUTE_EVENT_LISTENER(touchend);
     DEFINE_ATTRIBUTE_EVENT_LISTENER(touchcancel);
 
 private:
     mutable RefPtrWillBeMember<Location> m_location;
 };
 
 } // namespace blink
 
 #endif // DOMWindow_h