Moving GraphicsContext and dependencies from core to platform.

Source/core/platform/graphics/filters/ReferenceFilter.h

Index: Source/core/platform/graphics/filters/ReferenceFilter.h
diff --git a/Source/core/platform/graphics/filters/ReferenceFilter.h b/Source/core/platform/graphics/filters/ReferenceFilter.h
deleted file mode 100644
index ab1d817aa1ce0ac5ed2afcf31a6cb411b265d3bf..0000000000000000000000000000000000000000
--- a/Source/core/platform/graphics/filters/ReferenceFilter.h
+++ /dev/null
@@ -1,68 +0,0 @@
-/*
- * 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
- *    disclaimer.
- * 2. Redistributions in binary form must reproduce the above
- *    copyright notice, this list of conditions and the following
- *    disclaimer in the documentation and/or other materials
- *    provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER “AS IS” AND ANY
- * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE
- * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
- * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * 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 ReferenceFilter_h
-#define ReferenceFilter_h
-
-#include "core/platform/graphics/filters/Filter.h"
-#include "platform/geometry/FloatRect.h"
-#include "wtf/PassRefPtr.h"
-#include "wtf/RefPtr.h"
-
-namespace WebCore {
-
-class SourceGraphic;
-class FilterEffect;
-
-class ReferenceFilter: public Filter {
-public:
-    static PassRefPtr<ReferenceFilter> create()
-    {
-        return adoptRef(new ReferenceFilter());
-    }
-
-    virtual FloatRect sourceImageRect() const { return FloatRect(); };
-
-    void setLastEffect(PassRefPtr<FilterEffect>);
-    FilterEffect* lastEffect() const { return m_lastEffect.get(); }
-
-    SourceGraphic* sourceGraphic() const { return m_sourceGraphic.get(); }
-
-private:
-    ReferenceFilter();
-    ~ReferenceFilter();
-
-    RefPtr<SourceGraphic> m_sourceGraphic;
-    RefPtr<FilterEffect> m_lastEffect;
-};
-
-}
-
-#endif // ReferenceFilter_h