Oilpan: Unship Oilpan from CSSValues

Source/core/style/StylePendingImage.h

Index: Source/core/style/StylePendingImage.h
diff --git a/Source/core/style/StylePendingImage.h b/Source/core/style/StylePendingImage.h
index 8a00d6d36f786d8fdd979851fe9d1ced7cf48a69..fd50fd3887874fdb56575b9e03e3db2b67c02e61 100644
--- a/Source/core/style/StylePendingImage.h
+++ b/Source/core/style/StylePendingImage.h
@@ -48,7 +48,7 @@ public:
 
     WrappedImagePtr data() const override { return m_value; }
 
-    PassRefPtrWillBeRawPtr<CSSValue> cssValue() const override { return m_value; }
+    PassRefPtr<CSSValue> cssValue() const override { return m_value; }
     CSSImageValue* cssImageValue() const { return m_value->isImageValue() ? toCSSImageValue(m_value) : 0; }
     CSSImageGeneratorValue* cssImageGeneratorValue() const { return m_value->isImageGeneratorValue() ? toCSSImageGeneratorValue(m_value) : 0; }
     CSSCursorImageValue* cssCursorImageValue() const { return m_value->isCursorImageValue() ? toCSSCursorImageValue(m_value) : 0; }
@@ -71,7 +71,6 @@ public:
 
     DEFINE_INLINE_VIRTUAL_TRACE()
     {
-        visitor->trace(m_value);
         StyleImage::trace(visitor);
     }
 
@@ -82,7 +81,7 @@ private:
         m_isPendingImage = true;
     }
 
-    RawPtrWillBeMember<CSSValue> m_value; // Not retained; it owns us.
+    RawPtr<CSSValue> m_value; // Not retained; it owns us.
 };
 
 DEFINE_STYLE_IMAGE_TYPE_CASTS(StylePendingImage, isPendingImage());