Moving GraphicsContext and dependencies from core to platform.

Source/web/tests/ScrollingCoordinatorChromiumTest.cpp

 /*
  * Copyright (C) 2012 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
@@ skipping 16 matching lines @@
 #include "core/page/scrolling/ScrollingCoordinator.h"
 
 #include <gtest/gtest.h>
 #include "FrameTestHelpers.h"
 #include "URLTestHelpers.h"
 #include "WebFrameClient.h"
 #include "WebFrameImpl.h"
 #include "WebSettings.h"
 #include "WebViewClient.h"
 #include "WebViewImpl.h"
-#include "core/platform/graphics/GraphicsLayer.h"
 #include "core/rendering/CompositedLayerMapping.h"
 #include "core/rendering/RenderLayerCompositor.h"
 #include "core/rendering/RenderView.h"
+#include "platform/graphics/GraphicsLayer.h"
 #include "public/platform/Platform.h"
 #include "public/platform/WebLayer.h"
 #include "public/platform/WebLayerPositionConstraint.h"
 #include "public/platform/WebLayerTreeView.h"
 #include "public/platform/WebUnitTestSupport.h"
 
 using namespace WebCore;
 using namespace blink;
 
 namespace {
@@ skipping 418 matching lines @@
 TEST_F(ScrollingCoordinatorChromiumTest, setupScrollbarLayerShouldNotCrash)
 {
     registerMockedHttpURLLoad("setup_scrollbar_layer_crash.html");
     navigateTo(m_baseURL + "setup_scrollbar_layer_crash.html");
     forceFullCompositingUpdate();
     // This test document setup an iframe with scrollbars, then switch to
     // an empty document by javascript.
 }
 
 } // namespace