Remove tons of OILPAN.

sky/engine/core/css/CSSTimingFunctionValue.h

Index: sky/engine/core/css/CSSTimingFunctionValue.h
diff --git a/sky/engine/core/css/CSSTimingFunctionValue.h b/sky/engine/core/css/CSSTimingFunctionValue.h
index 1ad52d49031e06cf21af7a361482ca7c4251f8cf..4701ff3c691f91a4e7113d92581e567b661dca13 100644
--- a/sky/engine/core/css/CSSTimingFunctionValue.h
+++ b/sky/engine/core/css/CSSTimingFunctionValue.h
@@ -48,8 +48,6 @@ public:
 
     bool equals(const CSSCubicBezierTimingFunctionValue&) const;
 
-    void traceAfterDispatch(Visitor* visitor) { CSSValue::traceAfterDispatch(visitor); }
-
 private:
     CSSCubicBezierTimingFunctionValue(double x1, double y1, double x2, double y2)
         : CSSValue(CubicBezierTimingFunctionClass)
@@ -82,8 +80,6 @@ public:
 
     bool equals(const CSSStepsTimingFunctionValue&) const;
 
-    void traceAfterDispatch(Visitor* visitor) { CSSValue::traceAfterDispatch(visitor); }
-
 private:
     CSSStepsTimingFunctionValue(int steps, StepsTimingFunction::StepAtPosition stepAtPosition)
         : CSSValue(StepsTimingFunctionClass)