Oilpan: Unship Oilpan from CSSValues

Source/core/page/PageSerializer.cpp

Index: Source/core/page/PageSerializer.cpp
diff --git a/Source/core/page/PageSerializer.cpp b/Source/core/page/PageSerializer.cpp
index 96d4a4220cefb9f71e00401f2d79b9e7dd80b2b3..fc5eef4932d367c949c36f1190f83e40404abe9c 100644
--- a/Source/core/page/PageSerializer.cpp
+++ b/Source/core/page/PageSerializer.cpp
@@ -521,7 +521,7 @@ void PageSerializer::retrieveResourcesForProperties(const StylePropertySet* styl
     // image properties there might be.
     unsigned propertyCount = styleDeclaration->propertyCount();
     for (unsigned i = 0; i < propertyCount; ++i) {
-        RefPtrWillBeRawPtr<CSSValue> cssValue = styleDeclaration->propertyAt(i).value();
+        RefPtr<CSSValue> cssValue = styleDeclaration->propertyAt(i).value();
         retrieveResourcesForCSSValue(cssValue.get(), document);
     }
 }