Simplify Supplementables post Oilpan.

third_party/WebKit/Source/core/frame/Navigator.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 26 matching lines @@
 typedef int ExceptionCode;
 
 class Navigator final
     : public GarbageCollectedFinalized<Navigator>
     , public NavigatorCPU
     , public NavigatorID
     , public NavigatorLanguage
     , public NavigatorOnLine
     , public ScriptWrappable
     , public DOMWindowProperty
-    , public HeapSupplementable<Navigator> {
+    , public Supplementable<Navigator> {
     DEFINE_WRAPPERTYPEINFO();
     USING_GARBAGE_COLLECTED_MIXIN(Navigator);
 public:
     static Navigator* create(LocalFrame* frame)
     {
         return new Navigator(frame);
     }
 
     virtual ~Navigator();
 
@@ skipping 10 matching lines @@
 
     DECLARE_VIRTUAL_TRACE();
 
 private:
     explicit Navigator(LocalFrame*);
 };
 
 } // namespace blink
 
 #endif // Navigator_h