Remove unnecessary includes of GlyphBuffer.h.

Source/platform/fonts/SimpleFontData.h

 /*
  * This file is part of the internal font implementation.
  *
  * Copyright (C) 2006, 2008, 2010 Apple Inc. All rights reserved.
  * Copyright (C) 2007-2008 Torch Mobile, Inc.
  *
  * 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.
@@ skipping 12 matching lines @@
 
 #ifndef SimpleFontData_h
 #define SimpleFontData_h
 
 #include "platform/PlatformExport.h"
 #include "platform/fonts/CustomFontData.h"
 #include "platform/fonts/FontBaseline.h"
 #include "platform/fonts/FontData.h"
 #include "platform/fonts/FontMetrics.h"
 #include "platform/fonts/FontPlatformData.h"
-#include "platform/fonts/GlyphBuffer.h"
 #include "platform/fonts/GlyphMetricsMap.h"
 #include "platform/fonts/GlyphPageTreeNode.h"
 #include "platform/fonts/TypesettingFeatures.h"
 #include "platform/fonts/opentype/OpenTypeVerticalData.h"
 #include "platform/geometry/FloatRect.h"
 #include "wtf/OwnPtr.h"
 #include "wtf/PassOwnPtr.h"
 #include "wtf/text/StringHash.h"
 
 #if OS(MACOSX)
@@ skipping 245 matching lines @@
 #endif
     else
         width = platformWidthForGlyph(glyph);
 
     m_glyphToWidthMap.setMetricsForGlyph(glyph, width);
     return width;
 }
 
 } // namespace WebCore
 #endif // SimpleFontData_h