Oilpan: Move core/xml/ to oilpan's heap

Source/core/xml/XMLSerializer.h

 /*
  *  Copyright (C) 2003, 2006 Apple Computer, Inc.
  *  Copyright (C) 2006 Samuel Weinig (sam@webkit.org)
  *
  *  This library is free software; you can redistribute it and/or
  *  modify it under the terms of the GNU Lesser General Public
  *  License as published by the Free Software Foundation; either
  *  version 2 of the License, or (at your option) any later version.
  *
  *  This library is distributed in the hope that it will be useful,
  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  *  Lesser General Public License for more details.
  *
  *  You should have received a copy of the GNU Lesser General Public
  *  License along with this library; if not, write to the Free Software
  *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
  */
 
 #ifndef XMLSerializer_h
 #define XMLSerializer_h
 
 #include "bindings/v8/ScriptWrappable.h"
+#include "heap/Handle.h"
 #include "wtf/Forward.h"
 #include "wtf/PassRefPtr.h"
 #include "wtf/RefCounted.h"
 
 namespace WebCore {
 
 class ExceptionState;
 class Node;
 
-class XMLSerializer : public RefCounted<XMLSerializer>, public ScriptWrappable {
+class XMLSerializer : public RefCountedWillBeGarbageCollectedFinalized<XMLSerializer>, public ScriptWrappable {
+    DECLARE_GC_INFO;
 public:
-    static PassRefPtr<XMLSerializer> create() { return adoptRef(new XMLSerializer); }
+    static PassRefPtrWillBeRawPtr<XMLSerializer> create()
+    {
+        return adoptRefWillBeNoop(new XMLSerializer);
+    }
 
     String serializeToString(Node*, ExceptionState&);
 
+    void trace(Visitor*) { }
+
 private:
     XMLSerializer()
     {
         ScriptWrappable::init(this);
     }
 };
 
 } // namespace WebCore
 
 #endif // XMLSerializer_h