Oilpan: Unship Oilpan from CSSValues

Source/core/animation/ConstantStyleInterpolation.h

Index: Source/core/animation/ConstantStyleInterpolation.h
diff --git a/Source/core/animation/ConstantStyleInterpolation.h b/Source/core/animation/ConstantStyleInterpolation.h
index 0ccda69bf72f08c69bc0f19dec04885dd2aac50f..77606762c34c4549303773b50ef8f21976bec9ed 100644
--- a/Source/core/animation/ConstantStyleInterpolation.h
+++ b/Source/core/animation/ConstantStyleInterpolation.h
@@ -25,7 +25,6 @@ public:
     DEFINE_INLINE_VIRTUAL_TRACE()
     {
         StyleInterpolation::trace(visitor);
-        visitor->trace(m_value);
     }
 
 private:
@@ -34,7 +33,7 @@ private:
         , m_value(value)
     { }
 
-    RefPtrWillBeMember<CSSValue> m_value;
+    RefPtr<CSSValue> m_value;
 };
 
 }