Moving GraphicsContext and dependencies from core to platform.

Source/core/rendering/RenderLayerCompositor.cpp

 /*
  * Copyright (C) 2009, 2010 Apple 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 30 matching lines @@
 #include "core/inspector/InspectorInstrumentation.h"
 #include "core/page/Chrome.h"
 #include "core/frame/Frame.h"
 #include "core/frame/FrameView.h"
 #include "core/page/Page.h"
 #include "core/page/Settings.h"
 #include "core/frame/animation/AnimationController.h"
 #include "core/page/scrolling/ScrollingConstraints.h"
 #include "core/page/scrolling/ScrollingCoordinator.h"
 #include "core/platform/OverscrollTheme.h"
-#include "core/platform/ScrollbarTheme.h"
-#include "core/platform/graphics/GraphicsLayer.h"
 #include "core/rendering/CompositedLayerMapping.h"
 #include "core/rendering/HitTestResult.h"
 #include "core/rendering/RenderApplet.h"
 #include "core/rendering/RenderEmbeddedObject.h"
 #include "core/rendering/RenderFullScreen.h"
 #include "core/rendering/RenderGeometryMap.h"
 #include "core/rendering/RenderIFrame.h"
 #include "core/rendering/RenderLayerStackingNode.h"
 #include "core/rendering/RenderLayerStackingNodeIterator.h"
 #include "core/rendering/RenderReplica.h"
 #include "core/rendering/RenderVideo.h"
 #include "core/rendering/RenderView.h"
 #include "platform/TraceEvent.h"
 #include "platform/geometry/TransformState.h"
+#include "platform/graphics/GraphicsLayer.h"
+#include "platform/scroll/ScrollbarTheme.h"
 #include "public/platform/Platform.h"
 #include "wtf/TemporaryChange.h"
 
 #ifndef NDEBUG
 #include "core/rendering/RenderTreeAsText.h"
 #endif
 
 namespace WebCore {
 
 using namespace HTMLNames;
@@ skipping 2399 matching lines @@
     } else if (graphicsLayer == m_scrollLayer.get()) {
         name = "Frame Scrolling Layer";
     } else {
         ASSERT_NOT_REACHED();
     }
 
     return name;
 }
 
 } // namespace WebCore