Oilpan: move editing objects to the heap.

Source/core/frame/LocalFrame.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 145 matching lines @@
 
         String localLayerTreeAsText(unsigned flags) const;
 
         mutable FrameTree m_treeNode;
         mutable FrameLoader m_loader;
         mutable NavigationScheduler m_navigationScheduler;
 
         RefPtr<FrameView> m_view;
 
         OwnPtr<ScriptController> m_script;
-        const OwnPtr<Editor> m_editor;
+        const OwnPtrWillBePersistent<Editor> m_editor;
         const OwnPtr<SpellChecker> m_spellChecker;
-        const OwnPtr<FrameSelection> m_selection;
+        const OwnPtrWillBePersistent<FrameSelection> m_selection;
         const OwnPtr<EventHandler> m_eventHandler;
         const OwnPtr<FrameConsole> m_console;
         OwnPtr<InputMethodController> m_inputMethodController;
 
         float m_pageZoomFactor;
         float m_textZoomFactor;
 
         bool m_inViewSourceMode;
     };
 
@@ skipping 71 matching lines @@
     DEFINE_TYPE_CASTS(LocalFrame, Frame, localFrame, localFrame->isLocalFrame(), localFrame.isLocalFrame());
 
 } // namespace WebCore
 
 // During refactoring, there are some places where we need to do type conversions that
 // will not be needed once all instances of LocalFrame and RemoteFrame are sorted out.
 // At that time this #define will be removed and all the uses of it will need to be corrected.
 #define toLocalFrameTemporary toLocalFrame
 
 #endif // LocalFrame_h