[oilpan] Figure out lifetime of remaining Node raw pointers (Part 2)

Source/core/page/Frame.h

 /*
  * Copyright (C) 1998, 1999 Torben Weis <weis@kde.org>
  *                     1999-2001 Lars Knoll <knoll@kde.org>
  *                     1999-2001 Antti Koivisto <koivisto@kde.org>
  *                     2000-2001 Simon Hausmann <hausmann@kde.org>
  *                     2000-2001 Dirk Mueller <mueller@kde.org>
  *                     2000 Stefan Schimanski <1Stein@gmx.de>
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010 Apple Inc. All rights reserved.
  * Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies)
  * Copyright (C) 2008 Eric Seidel <eric@webkit.org>
@@ skipping 161 matching lines @@
     private:
         Frame(Page*, const Handle<HTMLFrameOwnerElement>&, FrameLoaderClient*);
 
         HashSet<FrameDestructionObserver*> m_destructionObservers;
 
         Page* m_page;
         mutable FrameTree m_treeNode;
         mutable FrameLoader m_loader;
         mutable NavigationScheduler m_navigationScheduler;
 
-        // FIXME(oilpan): Move Frame to the heap and use a Member.
+        // FIXME(oilpan): This should be a strong pointer.
         HTMLFrameOwnerElement* m_ownerElement;
         RefPtr<FrameView> m_view;
         Persistent<Document> m_doc;
 
         OwnPtr<ScriptController> m_script;
         OwnPtr<Editor> m_editor;
         OwnPtr<FrameSelection> m_selection;
         OwnPtr<EventHandler> m_eventHandler;
         OwnPtr<AnimationController> m_animationController;
 
@@ skipping 78 matching lines @@
     }
 
     inline EventHandler* Frame::eventHandler() const
     {
         return m_eventHandler.get();
     }
 
 } // namespace WebCore
 
 #endif // Frame_h