Oilpan: Unship Oilpan from CSSValues

Source/core/css/CSSInheritedValue.h

Index: Source/core/css/CSSInheritedValue.h
diff --git a/Source/core/css/CSSInheritedValue.h b/Source/core/css/CSSInheritedValue.h
index 9bdc467f4d7341d8f515af91940378e00bd7a144..bcc0973b5b7050492fd7b43ae7368d7a0fba834a 100644
--- a/Source/core/css/CSSInheritedValue.h
+++ b/Source/core/css/CSSInheritedValue.h
@@ -28,17 +28,15 @@ namespace blink {
 
 class CSSInheritedValue : public CSSValue {
 public:
-    static PassRefPtrWillBeRawPtr<CSSInheritedValue> create()
+    static PassRefPtr<CSSInheritedValue> create()
     {
-        return adoptRefWillBeNoop(new CSSInheritedValue);
+        return adoptRef(new CSSInheritedValue);
     }
 
     String customCSSText() const;
 
     bool equals(const CSSInheritedValue&) const { return true; }
 
-    DEFINE_INLINE_TRACE_AFTER_DISPATCH() { CSSValue::traceAfterDispatch(visitor); }
-
 private:
     CSSInheritedValue()
         : CSSValue(InheritedClass)