WIP: WebLayer::addAnimation should transfer the ownership of WebAnimation instance.

public/platform/WebLayer.h

 /*
  * Copyright (C) 2011 Google Inc. All rights reserved.
  *
  * 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 12 matching lines @@
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #ifndef WebLayer_h
 #define WebLayer_h
 
 #include "WebAnimation.h"
 #include "WebColor.h"
 #include "WebCommon.h"
 #include "WebCompositingReasons.h"
+#include "WebPassOwnPtr.h"
 #include "WebPoint.h"
 #include "WebRect.h"
 #include "WebString.h"
 #include "WebVector.h"
 
 class SkMatrix44;
 class SkImageFilter;
 
 namespace WebKit {
 class WebAnimationDelegate;
@@ skipping 93 matching lines @@
     // Provides a bitfield that describe why this composited layer was created.
     virtual void setCompositingReasons(WebCompositingReasons) = 0;
 
     // An animation delegate is notified when animations are started and
     // stopped. The WebLayer does not take ownership of the delegate, and it is
     // the responsibility of the client to reset the layer's delegate before
     // deleting the delegate.
     virtual void setAnimationDelegate(WebAnimationDelegate*) = 0;
 
     // Returns false if the animation cannot be added.
-    virtual bool addAnimation(WebAnimation*) = 0;
+    virtual bool addAnimation(WebPassOwnPtr<WebAnimation>) = 0;
 
     // Removes all animations with the given id.
     virtual void removeAnimation(int animationId) = 0;
 
     // Removes all animations with the given id targeting the given property.
     virtual void removeAnimation(int animationId, WebAnimation::TargetProperty) = 0;
 
     // Pauses all animations with the given id.
     virtual void pauseAnimation(int animationId, double timeOffset) = 0;
 
@@ skipping 58 matching lines @@
 
     // True if the layer is not part of a tree attached to a WebLayerTreeView.
     virtual bool isOrphan() const = 0;
 
     virtual void setWebLayerClient(WebLayerClient*) = 0;
 };
 
 } // namespace WebKit
 
 #endif // WebLayer_h