Oilpan: make DOMWindowProperty a GC mixin.

Source/modules/geolocation/NavigatorGeolocation.h

 /*
     Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies)
 
     This library is free software; you can redistribute it and/or
     modify it under the terms of the GNU Library 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
@@ skipping 12 matching lines @@
 #include "core/frame/DOMWindowProperty.h"
 #include "platform/Supplementable.h"
 #include "platform/heap/Handle.h"
 
 namespace blink {
 
 class LocalFrame;
 class Geolocation;
 class Navigator;
 
-class NavigatorGeolocation FINAL : public NoBaseWillBeGarbageCollectedFinalized<NavigatorGeolocation>, public WillBeHeapSupplement<Navigator>, public DOMWindowProperty {
+class NavigatorGeolocation FINAL : public NoBaseWillBeGarbageCollected<NavigatorGeolocation>, public WillBeHeapSupplement<Navigator>, public DOMWindowProperty {
     WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(NavigatorGeolocation);
+    DECLARE_EMPTY_VIRTUAL_DESTRUCTOR_WILL_BE_REMOVED(NavigatorGeolocation);
 public:
-    virtual ~NavigatorGeolocation();
     static NavigatorGeolocation& from(Navigator&);
 
     static Geolocation* geolocation(Navigator&);
     Geolocation* geolocation() const;
 
     void trace(Visitor*);
 
 private:
     NavigatorGeolocation(LocalFrame*);
     static const char* supplementName();
 
     mutable PersistentWillBeMember<Geolocation> m_geolocation;
 };
 
 } // namespace blink
 
 #endif // NavigatorGeolocation_h