Dirty line boxes correctly when a float gets layout

third_party/WebKit/Source/core/layout/LayoutObject.h

 /*
  * Copyright (C) 2000 Lars Knoll (knoll@kde.org)
  *           (C) 2000 Antti Koivisto (koivisto@kde.org)
  *           (C) 2000 Dirk Mueller (mueller@kde.org)
  *           (C) 2004 Allan Sandfeld Jensen (kde@carewolf.com)
  * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2012 Apple Inc. All rights reserved.
  * Copyright (C) 2009 Google 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 903 matching lines @@
 
     bool hitTest(HitTestResult&, const HitTestLocation& locationInContainer, const LayoutPoint& accumulatedOffset, HitTestFilter = HitTestAll);
     virtual void updateHitTestResult(HitTestResult&, const LayoutPoint&);
     virtual bool nodeAtPoint(HitTestResult&, const HitTestLocation& locationInContainer, const LayoutPoint& accumulatedOffset, HitTestAction);
 
     virtual PositionWithAffinity positionForPoint(const LayoutPoint&);
     PositionWithAffinity createPositionWithAffinity(int offset, TextAffinity);
     PositionWithAffinity createPositionWithAffinity(int offset);
     PositionWithAffinity createPositionWithAffinity(const Position&);
 
-    virtual void dirtyLinesFromChangedChild(LayoutObject*);
+    virtual void dirtyLinesFromChangedChild(LayoutObject*, MarkingBehavior markingBehaviour = MarkContainerChain);
 
     // Set the style of the object and update the state of the object accordingly.
     void setStyle(PassRefPtr<ComputedStyle>);
 
     // Set the style of the object if it's generated content.
     void setPseudoStyle(PassRefPtr<ComputedStyle>);
 
     // Updates only the local style ptr of the object.  Does not update the state of the object,
     // and so only should be called when the style is known not to have changed (or from setStyle).
     void setStyleInternal(PassRefPtr<ComputedStyle> style) { m_style = style; }
@@ skipping 1257 matching lines @@
 void showTree(const blink::LayoutObject*);
 void showLineTree(const blink::LayoutObject*);
 void showLayoutTree(const blink::LayoutObject* object1);
 // We don't make object2 an optional parameter so that showLayoutTree
 // can be called from gdb easily.
 void showLayoutTree(const blink::LayoutObject* object1, const blink::LayoutObject* object2);
 
 #endif
 
 #endif // LayoutObject_h