Remove tons of OILPAN.

sky/engine/core/animation/InterpolationEffect.h

Index: sky/engine/core/animation/InterpolationEffect.h
diff --git a/sky/engine/core/animation/InterpolationEffect.h b/sky/engine/core/animation/InterpolationEffect.h
index cd8631e2b118b3fcef81f40963676234d00a04b6..69a00b4b0b7691234c98d4e01494913e0ba789a1 100644
--- a/sky/engine/core/animation/InterpolationEffect.h
+++ b/sky/engine/core/animation/InterpolationEffect.h
@@ -23,8 +23,6 @@ public:
         m_interpolations.append(InterpolationRecord::create(interpolation, easing, start, end, applyFrom, applyTo));
     }
 
-    void trace(Visitor*);
-
 private:
     InterpolationEffect()
     {
@@ -44,8 +42,6 @@ private:
             return adoptPtr(new InterpolationRecord(interpolation, easing, start, end, applyFrom, applyTo));
         }
 
-        void trace(Visitor*);
-
     private:
         InterpolationRecord(PassRefPtr<Interpolation> interpolation, PassRefPtr<TimingFunction> easing, double start, double end, double applyFrom, double applyTo)
             : m_interpolation(interpolation)