Invalidate first line display item clients when first line style changes

third_party/WebKit/Source/core/layout/line/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 282 matching lines @@
     void flipForWritingMode(LayoutRect&) const;
     LayoutPoint flipForWritingMode(const LayoutPoint&) const;
 
     bool knownToHaveNoOverflow() const { return m_bitfields.knownToHaveNoOverflow(); }
     void clearKnownToHaveNoOverflow();
 
     bool dirOverride() const { return m_bitfields.dirOverride(); }
     void setDirOverride(bool dirOverride) { m_bitfields.setDirOverride(dirOverride); }
 
     DisplayItemClient displayItemClient() const { return toDisplayItemClient(this); }
+    // Invalidate display item clients in the whole sub inline box tree.
+    void invalidateDisplayItemClientsRecursively();
 
 #define ADD_BOOLEAN_BITFIELD(name, Name) \
     private:\
     unsigned m_##name : 1;\
     public:\
     bool name() const { return m_##name; }\
     void set##Name(bool name) { m_##name = name; }\
 
     class InlineBoxBitfields {
         DISALLOW_NEW();
@@ skipping 137 matching lines @@
 
 } // namespace blink
 
 #ifndef NDEBUG
 // Outside the WebCore namespace for ease of invocation from gdb.
 void showTree(const blink::InlineBox*);
 void showLineTree(const blink::InlineBox*);
 #endif
 
 #endif // InlineBox_h