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

Source/core/animation/EffectModel.h

Index: Source/core/animation/EffectModel.h
diff --git a/Source/core/animation/EffectModel.h b/Source/core/animation/EffectModel.h
index 2e131940ceaea078f08782e6745e055e3ffa0679..3a34a9ad3ffa0a2fc48b73e88b599b4959a340bc 100644
--- a/Source/core/animation/EffectModel.h
+++ b/Source/core/animation/EffectModel.h
@@ -44,7 +44,7 @@ namespace blink {
 
 class Interpolation;
 
-class CORE_EXPORT EffectModel : public RefCountedWillBeGarbageCollectedFinalized<EffectModel>, public ScriptWrappable {
+class CORE_EXPORT EffectModel : public GarbageCollectedFinalized<EffectModel>, public ScriptWrappable {
     DEFINE_WRAPPERTYPEINFO();
 public:
     enum CompositeOperation {
@@ -54,7 +54,7 @@ public:
 
     EffectModel() { }
     virtual ~EffectModel() { }
-    virtual void sample(int iteration, double fraction, double iterationDuration, OwnPtrWillBeRawPtr<WillBeHeapVector<RefPtrWillBeMember<Interpolation>>>&) const = 0;
+    virtual void sample(int iteration, double fraction, double iterationDuration, HeapVector<Member<Interpolation>>*&) const = 0;
 
     virtual bool affects(PropertyHandle) const { return false; };
     virtual bool isKeyframeEffectModel() const { return false; }