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

Source/core/animation/AnimatableLengthBoxAndBool.cpp

 /*
  * 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 23 matching lines @@
 namespace WebCore {
 
 bool AnimatableLengthBoxAndBool::usesDefaultInterpolationWith(const AnimatableValue* value) const
 {
     const AnimatableLengthBoxAndBool* lengthBox = toAnimatableLengthBoxAndBool(value);
     if (lengthBox->flag() != flag())
         return true;
     return AnimatableValue::usesDefaultInterpolation(lengthBox->box(), box());
 }
 
-PassRefPtr<AnimatableValue> AnimatableLengthBoxAndBool::interpolateTo(const AnimatableValue* value, double fraction) const
+PassRefPtrWillBeRawPtr<AnimatableValue> AnimatableLengthBoxAndBool::interpolateTo(const AnimatableValue* value, double fraction) const
 {
     const AnimatableLengthBoxAndBool* lengthBox = toAnimatableLengthBoxAndBool(value);
     if (lengthBox->flag() == flag()) {
         return AnimatableLengthBoxAndBool::create(
             AnimatableValue::interpolate(box(), lengthBox->box(), fraction),
             flag());
     }
     return defaultInterpolateTo(this, value, fraction);
 }
 
-PassRefPtr<AnimatableValue> AnimatableLengthBoxAndBool::addWith(const AnimatableValue* value) const
+PassRefPtrWillBeRawPtr<AnimatableValue> AnimatableLengthBoxAndBool::addWith(const AnimatableValue* value) const
 {
     const AnimatableLengthBoxAndBool* lengthBox = toAnimatableLengthBoxAndBool(value);
     if (lengthBox->flag() == flag()) {
         return AnimatableLengthBoxAndBool::create(
             AnimatableValue::add(box(), lengthBox->box()),
             flag());
     }
     return defaultAddWith(this, value);
 }
 
 bool AnimatableLengthBoxAndBool::equalTo(const AnimatableValue* value) const
 {
     const AnimatableLengthBoxAndBool* lengthBox = toAnimatableLengthBoxAndBool(value);
     return box()->equals(lengthBox->box()) && flag() == lengthBox->flag();
 }
 
+void AnimatableLengthBoxAndBool::trace(Visitor* visitor)
+{
+    visitor->trace(m_box);
+    AnimatableValue::trace(visitor);
 }
+
+}