Oilpan: move SVG property hierarchy to the heap.

Source/core/animation/animatable/AnimatableFilterOperations.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 20 matching lines @@
 #ifndef AnimatableFilterOperations_h
 #define AnimatableFilterOperations_h
 
 #include "core/animation/animatable/AnimatableValue.h"
 #include "platform/graphics/filters/FilterOperations.h"
 
 namespace blink {
 
 class AnimatableFilterOperations final : public AnimatableValue {
 public:
-    virtual ~AnimatableFilterOperations() { }
     static PassRefPtrWillBeRawPtr<AnimatableFilterOperations> create(const FilterOperations& operations)
     {
         return adoptRefWillBeNoop(new AnimatableFilterOperations(operations));
     }
+
+    virtual ~AnimatableFilterOperations() { }
+    virtual void trace(Visitor*) override;
+
     const FilterOperations& operations() const { return m_operations; }
 
-    virtual void trace(Visitor* visitor) override { AnimatableValue::trace(visitor); }
-
 protected:
     virtual PassRefPtrWillBeRawPtr<AnimatableValue> interpolateTo(const AnimatableValue*, double fraction) const override;
     virtual bool usesDefaultInterpolationWith(const AnimatableValue*) const override;
 
 private:
     AnimatableFilterOperations(const FilterOperations& operations)
         : m_operations(operations)
     {
     }
+
     virtual bool equalTo(const AnimatableValue*) const override;
     virtual AnimatableType type() const override { return TypeFilterOperations; }
 
     FilterOperations m_operations;
 };
 
 DEFINE_ANIMATABLE_VALUE_TYPE_CASTS(AnimatableFilterOperations, isFilterOperations());
 
 } // namespace blink
 
 #endif // AnimatableFilterOperations_h