Moving GraphicsContext and dependencies from core to platform.

Source/core/platform/graphics/filters/custom/FECustomFilter.h

 /*
  * Copyright (C) 2011 Adobe Systems Incorporated. All rights reserved.
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
  * 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
@@ skipping 13 matching lines @@
  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
  * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
  * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  */
 
 #ifndef FECustomFilter_h
 #define FECustomFilter_h
 
-#include "core/platform/graphics/filters/Filter.h"
-#include "core/platform/graphics/filters/FilterEffect.h"
 #include "core/platform/graphics/filters/custom/CustomFilterOperation.h"
 #include "platform/graphics/GraphicsTypes3D.h"
+#include "platform/graphics/filters/Filter.h"
+#include "platform/graphics/filters/FilterEffect.h"
 #include "platform/graphics/filters/custom/CustomFilterConstants.h"
 #include "wtf/RefPtr.h"
 
 namespace WebCore {
 
 class CustomFilterRenderer;
 class CustomFilterValidatedProgram;
 class GraphicsContext3D;
 class IntSize;
 
@@ skipping 44 matching lines @@
 
     bool m_triedMultisampleBuffer;
     Platform3DObject m_multisampleFrameBuffer;
     Platform3DObject m_multisampleRenderBuffer;
     Platform3DObject m_multisampleDepthBuffer;
 };
 
 } // namespace WebCore
 
 #endif // FECustomFilter_h