Remove LayoutBlockFlow overflow invalidation

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 283 matching lines @@
     FloatPoint flipForWritingMode(const FloatPoint&) const;
     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); }
 
-    // Invalidate display item clients in the whole sub inline box tree.
-    void invalidateDisplayItemClientsRecursively();
+    // Set all LineLayoutItems in the inline box subtree should do full paint invalidation.
+    void setShouldDoFullPaintInvalidationRecursively();
 
 #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 72 matching lines @@
         signed expansion() const { return m_expansion; }
         void setExpansion(signed expansion) { m_expansion = expansion; }
     };
 #undef ADD_BOOLEAN_BITFIELD
 
 private:
     // Converts the given (top-left) position from the logical space of the InlineBox to the physical space of the
     // containing block. The size indicates the size of the box whose point is being flipped.
     LayoutPoint logicalPositionToPhysicalPoint(const LayoutPoint&, const LayoutSize&) const;
 
+    void setLineLayoutItemShouldDoFullPaintInvalidationIfNeeded();
+
     InlineBox* m_next; // The next element on the same line as us.
     InlineBox* m_prev; // The previous element on the same line as us.
 
     InlineFlowBox* m_parent; // The box that contains us.
     LineLayoutItem m_lineLayoutItem;
 
 protected:
     // For RootInlineBox
     bool endsWithBreak() const { return m_bitfields.endsWithBreak(); }
     void setEndsWithBreak(bool endsWithBreak) { m_bitfields.setEndsWithBreak(endsWithBreak); }
@@ skipping 47 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