Remove tons of OILPAN.

sky/engine/core/animation/KeyframeEffectModel.h

Index: sky/engine/core/animation/KeyframeEffectModel.h
diff --git a/sky/engine/core/animation/KeyframeEffectModel.h b/sky/engine/core/animation/KeyframeEffectModel.h
index 3a856fc7868af7cb9e6d6025be4dc03305095006..2ddf899f1ccdd4c59eabefd737a727631bae9de3 100644
--- a/sky/engine/core/animation/KeyframeEffectModel.h
+++ b/sky/engine/core/animation/KeyframeEffectModel.h
@@ -60,8 +60,6 @@ public:
         void appendKeyframe(PassOwnPtr<Keyframe::PropertySpecificKeyframe>);
         const PropertySpecificKeyframeVector& keyframes() const { return m_keyframes; }
 
-        void trace(Visitor*);
-
     private:
         void removeRedundantKeyframes();
         void addSyntheticKeyframeIfRequired(const KeyframeEffectModelBase* context);
@@ -93,8 +91,6 @@ public:
     virtual bool isAnimatableValueKeyframeEffectModel() const { return false; }
     virtual bool isStringKeyframeEffectModel() const { return false; }
 
-    virtual void trace(Visitor*) override;
-
     // FIXME: This is a hack used to resolve CSSValues to AnimatableValues while we have a valid handle on an element.
     // This should be removed once StringKeyframes no longer uses InterpolableAnimatableValues.
     void forceConversionsToAnimatableValues(Element* element)