Remove tons of OILPAN.

sky/engine/core/animation/animatable/AnimatableValue.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 66 matching lines @@
     bool isStrokeDasharrayList() const { return type() == TypeStrokeDasharrayList; }
     bool isTransform() const { return type() == TypeTransform; }
     bool isUnknown() const { return type() == TypeUnknown; }
 
     bool isSameType(const AnimatableValue* value) const
     {
         ASSERT(value);
         return value->type() == type();
     }
 
-    virtual void trace(Visitor*) { }
-
 protected:
     enum AnimatableType {
         TypeClipPathOperation,
         TypeColor,
         TypeDouble,
         TypeFilterOperations,
         TypeImage,
         TypeLength,
         TypeLengthBox,
         TypeLengthBoxAndBool,
@@ skipping 25 matching lines @@
 
     template <class Keyframe> friend class KeyframeEffectModel;
 };
 
 #define DEFINE_ANIMATABLE_VALUE_TYPE_CASTS(thisType, predicate) \
     DEFINE_TYPE_CASTS(thisType, AnimatableValue, value, value->predicate, value.predicate)
 
 } // namespace blink
 
 #endif // AnimatableValue_h