Oilpan: make DOMWindowProperty a GC mixin.

Source/modules/quota/DOMWindowQuota.h

 /*
  * Copyright (C) 2012 Google 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 22 matching lines @@
 
 #include "core/frame/DOMWindowProperty.h"
 #include "platform/Supplementable.h"
 #include "platform/heap/Handle.h"
 
 namespace blink {
 
 class DeprecatedStorageInfo;
 class LocalDOMWindow;
 
-class DOMWindowQuota FINAL : public NoBaseWillBeGarbageCollectedFinalized<DOMWindowQuota>, public WillBeHeapSupplement<LocalDOMWindow>, public DOMWindowProperty {
+class DOMWindowQuota FINAL : public NoBaseWillBeGarbageCollected<DOMWindowQuota>, public WillBeHeapSupplement<LocalDOMWindow>, public DOMWindowProperty {
     WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(DOMWindowQuota);
+    DECLARE_EMPTY_VIRTUAL_DESTRUCTOR_WILL_BE_REMOVED(DOMWindowQuota);
 public:
-    virtual ~DOMWindowQuota();
     static DOMWindowQuota& from(LocalDOMWindow&);
     static DeprecatedStorageInfo* webkitStorageInfo(LocalDOMWindow&);
     DeprecatedStorageInfo* webkitStorageInfo() const;
 
     void trace(Visitor*);
 
 private:
     explicit DOMWindowQuota(LocalDOMWindow&);
     static const char* supplementName();
 
     mutable PersistentWillBeMember<DeprecatedStorageInfo> m_storageInfo;
 };
 
 } // namespace blink
 
 #endif // DOMWindowQuota_h