Moving GraphicsContext and dependencies from core to platform.

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
  * 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 Font_h
 #define Font_h
 
-#include "core/platform/graphics/FontFallbackList.h"
-#include "core/platform/graphics/SimpleFontData.h"
+#include "platform/PlatformExport.h"
 #include "platform/fonts/FontDescription.h"
+#include "platform/fonts/FontFallbackList.h"
+#include "platform/fonts/SimpleFontData.h"
 #include "platform/fonts/TypesettingFeatures.h"
 #include "platform/text/TextDirection.h"
 #include "wtf/HashMap.h"
 #include "wtf/HashSet.h"
 #include "wtf/MathExtras.h"
 #include "wtf/unicode/CharacterNames.h"
 
 // "X11/X.h" defines Complex to 0 and conflicts
 // with Complex value in CodePath enum.
 #ifdef Complex
@@ skipping 27 matching lines @@
     }
 
     int left;
     int right;
     int top;
     int bottom;
     bool computeBounds;
 };
 
 
-class Font {
+class PLATFORM_EXPORT Font {
 public:
     Font();
     Font(const FontDescription&, float letterSpacing, float wordSpacing);
     // This constructor is only used if the platform wants to start with a native font.
     Font(const FontPlatformData&, bool isPrinting, FontSmoothingMode = AutoSmoothing);
     ~Font();
 
     Font(const Font&);
     Font& operator=(const Font&);
 
@@ skipping 236 matching lines @@
     if (!tabSize)
         return letterSpacing();
     float tabWidth = tabSize * fontData.spaceWidth() + letterSpacing();
     return tabWidth - fmodf(position, tabWidth);
 }
 
 }
 
 namespace WTF {
 
-template <> struct OwnedPtrDeleter<WebCore::TextLayout> {
+template <> struct PLATFORM_EXPORT OwnedPtrDeleter<WebCore::TextLayout> {
     static void deletePtr(WebCore::TextLayout*);
 };
 
 }
 
 #endif