Cleanup CustomFontData after SVG Fonts removal

Source/platform/fonts/CustomFontData.h

 /*
  * Copyright (C) 2013 Google, 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.
  *
  * 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 CustomFontData_h
 #define CustomFontData_h
 
 #include "platform/PlatformExport.h"
-#include "platform/fonts/Glyph.h"
 #include "wtf/PassRefPtr.h"
 #include "wtf/RefCounted.h"
-#include <unicode/uchar.h>
 
 namespace blink {
 
-struct GlyphData;
-class GlyphPage;
 class SimpleFontData;
-struct SimpleShaper;
 
 class PLATFORM_EXPORT CustomFontData : public RefCounted<CustomFontData> {
 public:
     static PassRefPtr<CustomFontData> create() { return adoptRef(new CustomFontData()); }
 
     virtual ~CustomFontData() { }
 
     virtual void beginLoadIfNeeded() const { };

[f(malita), 2014/10/27 14:59:25]

nit: since we're touching this header, let's zap that extra ';'

     virtual bool isLoading() const { return false; }
     virtual bool isLoadingFallback() const { return false; }
     virtual bool shouldSkipDrawing() const { return false; }
     virtual void clearFontFaceSource() { }
 
     virtual void initializeFontData(SimpleFontData*, float) { }
-    virtual float widthForSVGGlyph(Glyph, float) const { return 0.0f; }
-    virtual bool fillSVGGlyphPage(GlyphPage*, unsigned, unsigned, UChar*, unsigned, const SimpleFontData*) const { return false; }
-    virtual bool applySVGGlyphSelection(SimpleShaper&, GlyphData&, bool, int, unsigned&) const { return false; }
 
 protected:
     CustomFontData() { }
 };
 
-#define DEFINE_CUSTOM_FONT_DATA_TYPE_CASTS(thisType, predicate) \
-    template<typename T> inline thisType* to##thisType(const RefPtr<T>& customFontData) { return to##thisType(customFontData.get()); } \
-    DEFINE_TYPE_CASTS(thisType, CustomFontData, customFontData, customFontData->predicate, customFontData.predicate)
-
 } // namespace blink
 
 #endif // CustomFontData_h