Remove Cairo support.

Source/WebCore/platform/graphics/Path.h

 /*
  * Copyright (C) 2003, 2006, 2009 Apple Inc. All rights reserved.
  *               2006 Rob Buis <buis@kde.org>
  * Copyright (C) 2007-2008 Torch Mobile, Inc.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
@@ skipping 28 matching lines @@
 namespace WebCore {
 class PlatformPathOpenVG;
 }
 typedef WebCore::PlatformPathOpenVG PlatformPath;
 #elif PLATFORM(QT)
 #include <qpainterpath.h>
 typedef QPainterPath PlatformPath;
 #elif PLATFORM(WX) && USE(WXGC)
 class wxGraphicsPath;
 typedef wxGraphicsPath PlatformPath;
-#elif USE(CAIRO)
-namespace WebCore {
-class CairoPath;
-}
-typedef WebCore::CairoPath PlatformPath;
 #elif USE(SKIA)
 class SkPath;
 typedef SkPath PlatformPath;
 #elif OS(WINCE)
 namespace WebCore {
     class PlatformPath;
 }
 typedef WebCore::PlatformPath PlatformPath;
 #else
 typedef void PlatformPath;
@@ skipping 112 matching lines @@
         Path(const SkPath&);
 #endif
 
     private:
         PlatformPathPtr m_path;
     };
 
 }
 
 #endif