[Oilpan] Migrate most classes under core/animations to Oilpan heap.

Source/core/animation/Keyframe.h

Index: Source/core/animation/Keyframe.h
diff --git a/Source/core/animation/Keyframe.h b/Source/core/animation/Keyframe.h
index 346a10d9971f9f434845aa22640fd9301c732da2..1f5f8c8990797c072a9815d8cb2bb98e7a2ea728 100644
--- a/Source/core/animation/Keyframe.h
+++ b/Source/core/animation/Keyframe.h
@@ -19,7 +19,7 @@ class Element;
 class ComputedStyle;
 
 // FIXME: Make Keyframe immutable
-class CORE_EXPORT Keyframe : public RefCountedWillBeGarbageCollectedFinalized<Keyframe> {
+class CORE_EXPORT Keyframe : public GarbageCollectedFinalized<Keyframe> {
 public:
     virtual ~Keyframe() { }
 
@@ -32,19 +32,19 @@ public:
     void setEasing(PassRefPtr<TimingFunction> easing) { m_easing = easing; }
     TimingFunction& easing() const { return *m_easing; }
 
-    static bool compareOffsets(const RefPtrWillBeMember<Keyframe>& a, const RefPtrWillBeMember<Keyframe>& b)
+    static bool compareOffsets(const Member<Keyframe>& a, const Member<Keyframe>& b)
     {
         return a->offset() < b->offset();
     }
 
     virtual PropertyHandleSet properties() const = 0;
 
-    virtual PassRefPtrWillBeRawPtr<Keyframe> clone() const = 0;
-    PassRefPtrWillBeRawPtr<Keyframe> cloneWithOffset(double offset) const
+    virtual Keyframe* clone() const = 0;
+    Keyframe* cloneWithOffset(double offset) const
     {
-        RefPtrWillBeRawPtr<Keyframe> theClone = clone();
+        Keyframe* theClone = clone();
         theClone->setOffset(offset);
-        return theClone.release();
+        return theClone;
     }
 
     virtual bool isAnimatableValueKeyframe() const { return false; }
@@ -52,24 +52,24 @@ public:
 
     DEFINE_INLINE_VIRTUAL_TRACE() { }
 
-    class PropertySpecificKeyframe : public NoBaseWillBeGarbageCollectedFinalized<PropertySpecificKeyframe> {
+    class PropertySpecificKeyframe : public GarbageCollectedFinalized<PropertySpecificKeyframe> {
     public:
         virtual ~PropertySpecificKeyframe() { }
         double offset() const { return m_offset; }
         TimingFunction& easing() const { return *m_easing; }
         EffectModel::CompositeOperation composite() const { return m_composite; }
-        virtual PassOwnPtrWillBeRawPtr<PropertySpecificKeyframe> cloneWithOffset(double offset) const = 0;
+        virtual PropertySpecificKeyframe* cloneWithOffset(double offset) const = 0;
 
         // FIXME: Remove this once CompositorAnimations no longer depends on AnimatableValues
         virtual void populateAnimatableValue(CSSPropertyID, Element&, const ComputedStyle* baseStyle) const { }
-        virtual const PassRefPtrWillBeRawPtr<AnimatableValue> getAnimatableValue() const = 0;
+        virtual const AnimatableValue* getAnimatableValue() const = 0;
 
         virtual bool isAnimatableValuePropertySpecificKeyframe() const { return false; }
         virtual bool isCSSPropertySpecificKeyframe() const { return false; }
         virtual bool isSVGPropertySpecificKeyframe() const { return false; }
 
-        virtual PassOwnPtrWillBeRawPtr<PropertySpecificKeyframe> neutralKeyframe(double offset, PassRefPtr<TimingFunction> easing) const = 0;
-        virtual PassRefPtrWillBeRawPtr<Interpolation> maybeCreateInterpolation(PropertyHandle, Keyframe::PropertySpecificKeyframe& end, Element*, const ComputedStyle* baseStyle) const = 0;
+        virtual PropertySpecificKeyframe* neutralKeyframe(double offset, PassRefPtr<TimingFunction> easing) const = 0;
+        virtual Interpolation* maybeCreateInterpolation(PropertyHandle, Keyframe::PropertySpecificKeyframe& end, Element*, const ComputedStyle* baseStyle) const = 0;
 
         DEFINE_INLINE_VIRTUAL_TRACE() { }
 
@@ -81,7 +81,7 @@ public:
         EffectModel::CompositeOperation m_composite;
     };
 
-    virtual PassOwnPtrWillBeRawPtr<PropertySpecificKeyframe> createPropertySpecificKeyframe(PropertyHandle) const = 0;
+    virtual PropertySpecificKeyframe* createPropertySpecificKeyframe(PropertyHandle) const = 0;
 
 protected:
     Keyframe()