Oilpan: Move Interpolation's hierarchy to oilpan's heap

Source/core/animation/AnimationEffect.h

 /*
  * Copyright (C) 2013 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 31 matching lines @@
 class Interpolation;
 
 class AnimationEffect : public RefCountedWillBeGarbageCollectedFinalized<AnimationEffect> {
 public:
     enum CompositeOperation {
         CompositeReplace,
         CompositeAdd,
     };
 
     virtual ~AnimationEffect() { }
-    virtual PassOwnPtr<Vector<RefPtr<Interpolation> > > sample(int iteration, double fraction, double iterationDuration) const = 0;
+    virtual PassOwnPtrWillBeRawPtr<WillBeHeapVector<RefPtrWillBeMember<Interpolation> > > sample(int iteration, double fraction, double iterationDuration) const = 0;
 
     virtual bool affects(CSSPropertyID) { return false; };
     virtual bool isKeyframeEffectModel() const { return false; }
 
     virtual void trace(Visitor*) = 0;
 };
 
 } // namespace WebCore
 
 #endif // AnimationEffect_h