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

Source/core/animation/Interpolation.h

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef Interpolation_h
 #define Interpolation_h
 
 #include "CSSPropertyNames.h"
 #include "core/animation/InterpolableValue.h"
 #include "wtf/RefCounted.h"
@@ skipping 53 matching lines @@
     CSSPropertyID m_id;
 
     StyleInterpolation(PassOwnPtr<InterpolableValue> start, PassOwnPtr<InterpolableValue> end, CSSPropertyID id)
         : Interpolation(start, end)
         , m_id(id)
     { }
 };
 
 class LegacyStyleInterpolation : public StyleInterpolation {
 public:
-    static PassRefPtr<LegacyStyleInterpolation> create(PassRefPtr<AnimatableValue> start, PassRefPtr<AnimatableValue> end, CSSPropertyID id)
+    static PassRefPtr<LegacyStyleInterpolation> create(PassRefPtrWillBeRawPtr<AnimatableValue> start, PassRefPtrWillBeRawPtr<AnimatableValue> end, CSSPropertyID id)
     {
         return adoptRef(new LegacyStyleInterpolation(InterpolableAnimatableValue::create(start), InterpolableAnimatableValue::create(end), id));
     }
 
     virtual void apply(StyleResolverState&) const;
 
     virtual bool isLegacyStyleInterpolation() const OVERRIDE FINAL { return true; }
     AnimatableValue* currentValue() const
     {
-        InterpolableAnimatableValue *value = static_cast<InterpolableAnimatableValue *>(m_cachedValue.get());
+        InterpolableAnimatableValue* value = static_cast<InterpolableAnimatableValue*>(m_cachedValue.get());
         return value->value();
     }
 
 private:
     LegacyStyleInterpolation(PassOwnPtr<InterpolableValue> start, PassOwnPtr<InterpolableValue> end, CSSPropertyID id)
         : StyleInterpolation(start, end, id)
     { }
 };
 
 DEFINE_TYPE_CASTS(StyleInterpolation, Interpolation, value, value->isStyleInterpolation(), value.isStyleInterpolation());
 DEFINE_TYPE_CASTS(LegacyStyleInterpolation, Interpolation, value, value->isLegacyStyleInterpolation(), value.isLegacyStyleInterpolation());
 
 }
 #endif