Refactor InspectorCSSAgent to avoid an intermediate GlyphBuffer

third_party/WebKit/Source/platform/fonts/Font.h

 /*
  * Copyright (C) 2000 Lars Knoll (knoll@kde.org)
  *           (C) 2000 Antti Koivisto (koivisto@kde.org)
  *           (C) 2000 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2003, 2006, 2007, 2010, 2011 Apple Inc. All rights reserved.
  * Copyright (C) 2008 Holger Hans Peter Freyther
  *
  * 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
@@ skipping 190 matching lines @@
  private:
   bool shouldSkipDrawing() const {
     return m_fontFallbackList && m_fontFallbackList->shouldSkipDrawing();
   }
 
   FontDescription m_fontDescription;
   mutable RefPtr<FontFallbackList> m_fontFallbackList;
   mutable unsigned m_canShapeWordByWord : 1;
   mutable unsigned m_shapeWordByWordComputed : 1;
 
-  // For accessing buildGlyphBuffer and retrieving fonts used in rendering a
-  // node.
-  friend class InspectorCSSAgent;
+  // For m_fontDescription & m_fontFallbackList access.
+  friend class CachingWordShaper;
 };
 
 inline Font::~Font() {}
 
 inline const SimpleFontData* Font::primaryFont() const {
   ASSERT(m_fontFallbackList);
   return m_fontFallbackList->primarySimpleFontData(m_fontDescription);
 }
 
 inline const FontData* Font::fontDataAt(unsigned index) const {
@@ skipping 20 matching lines @@
   // advance an additional tab stop.
   if (distanceToTabStop < fontData->spaceWidth() / 2)
     distanceToTabStop += baseTabWidth;
 
   return distanceToTabStop;
 }
 
 }  // namespace blink
 
 #endif