Manage RequestAnimationFrameCallbacks with OwnPtrs instead of RefPtrs

Source/core/frame/DOMWindow.h

 /*
  * Copyright (C) 2006, 2007, 2009, 2010 Apple Inc. All rights reserved.
  * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies)
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
@@ skipping 220 matching lines @@
         void scrollTo(int x, int y) const;
         void scroll(int x, int y) const { scrollTo(x, y); }
 
         void moveBy(float x, float y) const;
         void moveTo(float x, float y) const;
 
         void resizeBy(float x, float y) const;
         void resizeTo(float width, float height) const;
 
         // WebKit animation extensions
-        int requestAnimationFrame(PassRefPtr<RequestAnimationFrameCallback>);
-        int webkitRequestAnimationFrame(PassRefPtr<RequestAnimationFrameCallback>);
+        int requestAnimationFrame(PassOwnPtr<RequestAnimationFrameCallback>);
+        int webkitRequestAnimationFrame(PassOwnPtr<RequestAnimationFrameCallback>);
         void cancelAnimationFrame(int id);
 
         DOMWindowCSS* css();
 
         // Events
         // EventTarget API
         virtual bool addEventListener(const AtomicString& eventType, PassRefPtr<EventListener>, bool useCapture) OVERRIDE;
         virtual bool removeEventListener(const AtomicString& eventType, EventListener*, bool useCapture) OVERRIDE;
         virtual void removeAllEventListeners() OVERRIDE;
 
@@ skipping 128 matching lines @@
     }
 
     inline String DOMWindow::defaultStatus() const
     {
         return m_defaultStatus;
     }
 
 } // namespace WebCore
 
 #endif // DOMWindow_h