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

Source/core/platform/graphics/GraphicsLayer.cpp

 /*
  * Copyright (C) 2009 Apple 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
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 982 matching lines @@
         animationId = m_animationIdMap.get(animationName);
 
     OwnPtr<WebAnimation> toAdd(createWebAnimation(values, animation, animationId, timeOffset, boxSize));
 
     if (toAdd) {
         animationId = toAdd->id();
         m_animationIdMap.set(animationName, animationId);
 
         // Remove any existing animations with the same animation id and target property.
         platformLayer()->removeAnimation(animationId, toAdd->targetProperty());
-        return platformLayer()->addAnimation(toAdd.get());
+        return platformLayer()->addAnimation(toAdd.release());
     }
 
     return false;
 }
 
 void GraphicsLayer::pauseAnimation(const String& animationName, double timeOffset)
 {
     if (m_animationIdMap.contains(animationName))
         platformLayer()->pauseAnimation(m_animationIdMap.get(animationName), timeOffset);
 }
@@ skipping 197 matching lines @@
 #ifndef NDEBUG
 void showGraphicsLayerTree(const WebCore::GraphicsLayer* layer)
 {
     if (!layer)
         return;
 
     String output = layer->layerTreeAsText(WebCore::LayerTreeIncludesDebugInfo);
     fprintf(stderr, "%s\n", output.utf8().data());
 }
 #endif