Oilpan: Replace RefPtrs and raw pointers to Node and its subclasses in core/frame and core/page wit…

Source/core/frame/FrameView.h

 /*
    Copyright (C) 1997 Martin Jones (mjones@kde.org)
              (C) 1998 Waldo Bastian (bastian@kde.org)
              (C) 1998, 1999 Torben Weis (weis@kde.org)
              (C) 1999 Lars Knoll (knoll@kde.org)
              (C) 1999 Antti Koivisto (koivisto@kde.org)
    Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
 
    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Library General Public
@@ skipping 454 matching lines @@
 
     bool m_wasScrolledByUser;
     bool m_inProgrammaticScroll;
     bool m_safeToPropagateScrollToParent;
 
     double m_lastPaintTime;
 
     bool m_isTrackingRepaints; // Used for testing.
     Vector<IntRect> m_trackedRepaintRects;
 
-    RefPtr<Node> m_nodeToDraw;
+    RefPtrWillBePersistent<Node> m_nodeToDraw;
     PaintBehavior m_paintBehavior;
     bool m_isPainting;
 
     unsigned m_visuallyNonEmptyCharacterCount;
     unsigned m_visuallyNonEmptyPixelCount;
     bool m_isVisuallyNonEmpty;
     bool m_firstVisuallyNonEmptyLayoutCallbackPending;
 
-    RefPtr<Node> m_maintainScrollPositionAnchor;
+    RefPtrWillBePersistent<Node> m_maintainScrollPositionAnchor;
 
     // Renderer to hold our custom scroll corner.
     RenderScrollbarPart* m_scrollCorner;
 
     // If true, automatically resize the frame view around its content.
     bool m_shouldAutoSize;
     bool m_inAutoSize;
     // True if autosize has been run since m_shouldAutoSize was set.
     bool m_didRunAutosize;
     // The lower bound on the size when autosizing.
@@ skipping 64 matching lines @@
         m_view->setCanInvalidatePaintDuringPerformLayout(m_originalValue);
     }
 private:
     FrameView* m_view;
     bool m_originalValue;
 };
 
 } // namespace WebCore
 
 #endif // FrameView_h