Moving GraphicsContext and dependencies from core to platform.

Source/core/rendering/svg/ReferenceFilterBuilder.h

 /*
  * Copyright (C) 2013 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 14 matching lines @@
  * 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 ReferenceFilterBuilder_h
 #define ReferenceFilterBuilder_h
 
 #include "core/fetch/DocumentResourceReference.h"
-#include "core/platform/graphics/filters/FilterEffect.h"
+#include "platform/graphics/filters/FilterEffect.h"
 #include "wtf/HashMap.h"
 #include "wtf/PassRefPtr.h"
 
 namespace WebCore {
 
 class Filter;
 class FilterEffect;
 class FilterOperation;
 class ReferenceFilterOperation;
 class RenderObject;
 
 class ReferenceFilterBuilder {
 public:
     static DocumentResourceReference* documentResourceReference(const FilterOperation*);
     static void setDocumentResourceReference(const FilterOperation*, PassOwnPtr<DocumentResourceReference>);
     static void clearDocumentResourceReference(const FilterOperation*);
 
     static PassRefPtr<FilterEffect> build(Filter*, RenderObject* renderer, FilterEffect* previousEffect, const ReferenceFilterOperation*);
 
 private:
     static HashMap<const FilterOperation*, OwnPtr<DocumentResourceReference> >* documentResourceReferences;
 };
 
 }
 
 #endif // ReferenceFilterBuilder_h