Removing a bunch of unused platform code.

Source/WebCore/platform/graphics/surfaces/GraphicsSurface.h

 /*
  Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies)
 
  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
@@ skipping 95 matching lines @@
 
     PassOwnPtr<GraphicsContext> platformBeginPaint(const IntSize&, char* bits, int stride);
 
 protected:
     LockOptions m_lockOptions;
     Flags m_flags;
 
 private:
     GraphicsSurface(const IntSize&, Flags);
 
-#if PLATFORM(QT)
-    static void didReleaseImage(void*);
-#endif
-
-private:
     uint32_t m_fbo;
     GraphicsSurfacePrivate* m_private;
 };
 
 }
 #endif // USE(GRAPHICS_SURFACE)
 
 #endif // GraphicsSurface_h