Moving GraphicsContext and dependencies from core to platform.

Source/platform/fonts/WidthIterator.h

 /*
  * Copyright (C) 2003, 2006, 2008, 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
  * 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
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Library General Public License for more details.
  *
  * You should have received a copy of the GNU Library General Public License
  * along with this library; see the file COPYING.LIB.  If not, write to
  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  * Boston, MA 02110-1301, USA.
  *
  */
 
 #ifndef WidthIterator_h
 #define WidthIterator_h
 
-#include "core/platform/graphics/Font.h"
-#include "core/platform/graphics/SVGGlyph.h"
+#include "platform/PlatformExport.h"
+#include "platform/fonts/Font.h"
+#include "platform/fonts/SVGGlyph.h"
 #include "platform/graphics/TextRun.h"
 #include "wtf/HashSet.h"
 #include "wtf/unicode/Unicode.h"
 #include "wtf/Vector.h"
 
 namespace WebCore {
 
 class Font;
 class GlyphBuffer;
 class SimpleFontData;
 class TextRun;
 struct GlyphData;
 
-struct WidthIterator {
+struct PLATFORM_EXPORT WidthIterator {
     WTF_MAKE_FAST_ALLOCATED;
 public:
     WidthIterator(const Font*, const TextRun&, HashSet<const SimpleFontData*>* fallbackFonts = 0, bool accountForGlyphBounds = false, bool forTextEmphasis = false);
 
     unsigned advance(int to, GlyphBuffer*);
     bool advanceOneCharacter(float& width, GlyphBuffer&);
 
     float maxGlyphBoundingBoxY() const { ASSERT(m_accountForGlyphBounds); return m_maxGlyphBoundingBoxY; }
     float minGlyphBoundingBoxY() const { ASSERT(m_accountForGlyphBounds); return m_minGlyphBoundingBoxY; }
     float firstGlyphOverflow() const { ASSERT(m_accountForGlyphBounds); return m_firstGlyphOverflow; }
@@ skipping 43 matching lines @@
     float m_maxGlyphBoundingBoxY;
     float m_minGlyphBoundingBoxY;
     float m_firstGlyphOverflow;
     float m_lastGlyphOverflow;
     bool m_forTextEmphasis;
 };
 
 }
 
 #endif