Moving GraphicsContext and dependencies from core to platform.

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

 /*
  * Copyright (C) Research In Motion Limited 2011. All rights reserved.
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
  * 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
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Library General Public License for more details.
  *
  * You should have received a copy of the GNU Library General Public License
  * along with this library; see the file COPYING.LIB.  If not, write to
  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  * Boston, MA 02110-1301, USA.
  */
 
 #ifndef FEDropShadow_h
 #define FEDropShadow_h
 
-#include "core/platform/graphics/filters/Filter.h"
-#include "core/platform/graphics/filters/FilterEffect.h"
 #include "platform/graphics/Color.h"
+#include "platform/graphics/filters/Filter.h"
+#include "platform/graphics/filters/FilterEffect.h"
 
 namespace WebCore {
 
 class FEDropShadow : public FilterEffect {
 public:
     static PassRefPtr<FEDropShadow> create(Filter*, float, float, float, float, const Color&, float);
 
     float stdDeviationX() const { return m_stdX; }
     void setStdDeviationX(float stdX) { m_stdX = stdX; }
 
@@ skipping 29 matching lines @@
     float m_stdY;
     float m_dx;
     float m_dy;
     Color m_shadowColor;
     float m_shadowOpacity;
 };
 
 } // namespace WebCore
 
 #endif // FEDropShadow_h