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

Source/core/animation/KeyframeEffectModel.h

Index: Source/core/animation/KeyframeEffectModel.h
diff --git a/Source/core/animation/KeyframeEffectModel.h b/Source/core/animation/KeyframeEffectModel.h
index e098a161eb417e38c001c178d34ec2276fabc779..cff45141e6312772f7ff5c17a50a9fcbc17ce384 100644
--- a/Source/core/animation/KeyframeEffectModel.h
+++ b/Source/core/animation/KeyframeEffectModel.h
@@ -80,7 +80,7 @@ private:
     double m_offset;
     AnimationEffect::CompositeOperation m_composite;
     RefPtr<TimingFunction> m_easing;
-    typedef HashMap<CSSPropertyID, RefPtr<AnimatableValue> > PropertyValueMap;
+    typedef WillBeHeapHashMap<CSSPropertyID, RefPtrWillBeMember<AnimatableValue> > PropertyValueMap;
     PropertyValueMap m_propertyValues;

[sof, 2014/03/20 07:20:39]

Doesn't look as if this is trace()d.

 };
 
@@ -120,10 +120,10 @@ public:
         PassOwnPtr<PropertySpecificKeyframe> cloneWithOffset(double offset) const;
     private:
         // Used by cloneWithOffset().
-        PropertySpecificKeyframe(double offset, PassRefPtr<TimingFunction> easing, PassRefPtr<AnimatableValue>);
+        PropertySpecificKeyframe(double offset, PassRefPtr<TimingFunction> easing, PassRefPtrWillBeRawPtr<AnimatableValue>);
         double m_offset;
         RefPtr<TimingFunction> m_easing;
-        RefPtr<AnimatableValue> m_value;
+        RefPtrWillBePersistent<AnimatableValue> m_value;
     };
 
     class PropertySpecificKeyframeGroup {