Move InterpolationEffect to oilpan's heap

Source/core/animation/KeyframeEffectModel.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 249 matching lines @@
             if (keyframeVector[i]->composite() != AnimationEffect::CompositeReplace)
                 return false;
         }
     }
     return true;
 }
 
 void KeyframeEffectModel::trace(Visitor* visitor)
 {
     visitor->trace(m_keyframes);
+    visitor->trace(m_interpolationEffect);
 #if ENABLE_OILPAN
     visitor->trace(m_keyframeGroups);
 #endif
 }
 
 KeyframeEffectModel::PropertySpecificKeyframe::PropertySpecificKeyframe(double offset, PassRefPtr<TimingFunction> easing, const AnimatableValue* value, CompositeOperation composite)
     : m_offset(offset)
     , m_easing(easing)
     , m_composite(composite)
 {
@@ skipping 54 matching lines @@
 }
 
 void KeyframeEffectModel::PropertySpecificKeyframeGroup::trace(Visitor* visitor)
 {
 #if ENABLE_OILPAN
     visitor->trace(m_keyframes);
 #endif
 }
 
 } // namespace