[oilpan]: Move DOMWindowCSS to the oilpan heap using transition types.

Source/core/css/DOMWindowCSS.cpp

 /*
  * Copyright (C) 2012 Motorola Mobility Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above
@@ skipping 19 matching lines @@
 #include "config.h"
 #include "core/css/DOMWindowCSS.h"
 
 #include "core/css/parser/BisonCSSParser.h"
 #include "core/css/RuntimeCSSEnabled.h"
 #include "core/css/StylePropertySet.h"
 #include "wtf/text/WTFString.h"
 
 namespace WebCore {
 
-PassRefPtr<DOMWindowCSS> DOMWindowCSS::create()
+PassRefPtrWillBeRawPtr<DOMWindowCSS> DOMWindowCSS::create()
 {
-    return adoptRef(new DOMWindowCSS());
+    return adoptRefWillBeNoop(new DOMWindowCSS());
 }
 
 static String valueWithoutImportant(const String& value)
 {
     if (!value.endsWith("important", false))
         return value;
 
     String newValue = value;
     int bangIndex = newValue.length() - 9 - 1;
     if (newValue[bangIndex] == ' ')
@@ skipping 26 matching lines @@
 }
 
 bool DOMWindowCSS::supports(const String& conditionText) const
 {
     CSSParserContext context(HTMLStandardMode, 0);
     BisonCSSParser parser(context);
     return parser.parseSupportsCondition(conditionText);
 }
 
 }