Moving GraphicsContext and dependencies from core to platform.

Source/platform/fonts/win/FontPlatformDataWin.h

Index: Source/platform/fonts/win/FontPlatformDataWin.h
diff --git a/Source/core/platform/graphics/win/FontPlatformDataWin.h b/Source/platform/fonts/win/FontPlatformDataWin.h
similarity index 98%
rename from Source/core/platform/graphics/win/FontPlatformDataWin.h
rename to Source/platform/fonts/win/FontPlatformDataWin.h
index 78a161ecde96c5e140cc063faf8dea2a4632443a..5aa08c97b7b5f22e2effe67e514a6ea7de891d56 100644
--- a/Source/core/platform/graphics/win/FontPlatformDataWin.h
+++ b/Source/platform/fonts/win/FontPlatformDataWin.h
@@ -35,9 +35,9 @@
 #include "SkPaint.h"
 #include "SkTypeface.h"
 #include "SkTypeface_win.h"
-#include "core/platform/graphics/opentype/OpenTypeVerticalData.h"
 #include "platform/SharedBuffer.h"
 #include "platform/fonts/FontOrientation.h"
+#include "platform/fonts/opentype/OpenTypeVerticalData.h"
 #include "wtf/Forward.h"
 #include "wtf/HashTableDeletedValueType.h"
 #include "wtf/OwnPtr.h"
@@ -60,7 +60,7 @@ class FontDescription;
 class GraphicsContext;
 class HarfBuzzFace;
 
-class FontPlatformData {
+class PLATFORM_EXPORT FontPlatformData {
 public:
     // Used for deleted values in the font cache's hash tables. The hash table
     // will create us with this structure, and it will compare other values