Rename Animation -> PrimitiveAnimation

Source/core/rendering/RenderLayerBacking.h

 /*
  * Copyright (C) 2009, 2010, 2011 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 108 matching lines @@
     void setContentsNeedDisplayInRect(const IntRect&);
 
     // Notification from the renderer that its content changed.
     void contentChanged(ContentChangeType);
 
     // Interface to start, finish, suspend and resume animations and transitions
     bool startTransition(double, CSSPropertyID, const RenderStyle* fromStyle, const RenderStyle* toStyle);
     void transitionPaused(double timeOffset, CSSPropertyID);
     void transitionFinished(CSSPropertyID);
 
-    bool startAnimation(double timeOffset, const Animation* anim, const KeyframeList& keyframes);
+    bool startAnimation(double timeOffset, const PrimitiveAnimation* anim, const KeyframeList& keyframes);
     void animationPaused(double timeOffset, const String& name);
     void animationFinished(const String& name);
 
     void suspendAnimations(double time = 0);
     void resumeAnimations();
 
     IntRect compositedBounds() const;
     void setCompositedBounds(const IntRect&);
     void updateCompositedBounds();
     
@@ skipping 133 matching lines @@
     bool m_boundsConstrainedByClipping;
     bool m_isMainFrameRenderViewLayer;
     bool m_requiresOwnBackingStore;
     bool m_canCompositeFilters;
     bool m_backgroundLayerPaintsFixedRootBackground;
 };
 
 } // namespace WebCore
 
 #endif // RenderLayerBacking_h