Merge 129144 - Prevent reading stale data from InlineTextBoxes

Source/WebCore/rendering/InlineBox.h

 /*
  * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2009, 2010, 2011 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
  * 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 244 matching lines @@
     unsigned char bidiLevel() const { return m_bitfields.bidiEmbeddingLevel(); }
     void setBidiLevel(unsigned char level) { m_bitfields.setBidiEmbeddingLevel(level); }
     TextDirection direction() const { return bidiLevel() % 2 ? RTL : LTR; }
     bool isLeftToRightDirection() const { return direction() == LTR; }
     int caretLeftmostOffset() const { return isLeftToRightDirection() ? caretMinOffset() : caretMaxOffset(); }
     int caretRightmostOffset() const { return isLeftToRightDirection() ? caretMaxOffset() : caretMinOffset(); }
 
     virtual void clearTruncation() { }
 
     bool isDirty() const { return m_bitfields.dirty(); }
-    void markDirty(bool dirty = true) { m_bitfields.setDirty(dirty); }
+    virtual void markDirty(bool dirty = true) { m_bitfields.setDirty(dirty); }
 
     virtual void dirtyLineBoxes();
     
     virtual RenderObject::SelectionState selectionState();
 
     virtual bool canAccommodateEllipsis(bool ltr, int blockEdge, int ellipsisWidth) const;
     // visibleLeftEdge, visibleRightEdge are in the parent's coordinate system.
     virtual float placeEllipsisBox(bool ltr, float visibleLeftEdge, float visibleRightEdge, float ellipsisWidth, float &truncatedWidth, bool&);
 
 #ifndef NDEBUG
@@ skipping 160 matching lines @@
 
 } // namespace WebCore
 
 #ifndef NDEBUG
 // Outside the WebCore namespace for ease of invocation from gdb.
 void showTree(const WebCore::InlineBox*);
 void showLineTree(const WebCore::InlineBox*);
 #endif
 
 #endif // InlineBox_h