Moving GraphicsContext and dependencies from core to platform.

Source/platform/graphics/GraphicsLayer.h

Index: Source/platform/graphics/GraphicsLayer.h
diff --git a/Source/core/platform/graphics/GraphicsLayer.h b/Source/platform/graphics/GraphicsLayer.h
similarity index 97%
rename from Source/core/platform/graphics/GraphicsLayer.h
rename to Source/platform/graphics/GraphicsLayer.h
index 38569e41c9df67c8ad3334897b30e5100f9f54fa..422cd115dde2538f5da06d2b84e66fb1195f7ea6 100644
--- a/Source/core/platform/graphics/GraphicsLayer.h
+++ b/Source/platform/graphics/GraphicsLayer.h
@@ -27,19 +27,16 @@
 #ifndef GraphicsLayer_h
 #define GraphicsLayer_h
 
-#include "core/platform/graphics/GraphicsLayerClient.h"
-#include "core/platform/graphics/OpaqueRectTrackingContentLayerDelegate.h"
-#include "core/platform/graphics/filters/FilterOperations.h"
+#include "platform/PlatformExport.h"
 #include "platform/geometry/FloatPoint.h"
 #include "platform/geometry/FloatPoint3D.h"
 #include "platform/geometry/FloatSize.h"
 #include "platform/geometry/IntRect.h"
 #include "platform/graphics/Color.h"
+#include "platform/graphics/GraphicsLayerClient.h"
+#include "platform/graphics/OpaqueRectTrackingContentLayerDelegate.h"
+#include "platform/graphics/filters/FilterOperations.h"
 #include "platform/transforms/TransformationMatrix.h"
-#include "wtf/OwnPtr.h"
-#include "wtf/PassOwnPtr.h"
-#include "wtf/Vector.h"
-
 #include "public/platform/WebAnimationDelegate.h"
 #include "public/platform/WebCompositingReasons.h"
 #include "public/platform/WebContentLayer.h"
@@ -48,6 +45,9 @@
 #include "public/platform/WebLayerScrollClient.h"
 #include "public/platform/WebNinePatchLayer.h"
 #include "public/platform/WebSolidColorLayer.h"
+#include "wtf/OwnPtr.h"
+#include "wtf/PassOwnPtr.h"
+#include "wtf/Vector.h"
 
 namespace blink {
 class GraphicsLayerFactoryChromium;
@@ -66,7 +66,7 @@ class ScrollableArea;
 class TextStream;
 
 // FIXME: find a better home for this declaration.
-class LinkHighlightClient {
+class PLATFORM_EXPORT LinkHighlightClient {
 public:
     virtual void invalidate() = 0;
     virtual void clearCurrentGraphicsLayer() = 0;
@@ -79,7 +79,7 @@ protected:
 // GraphicsLayer is an abstraction for a rendering surface with backing store,
 // which may have associated transformation and animations.
 
-class GraphicsLayer : public GraphicsContextPainter, public blink::WebAnimationDelegate, public blink::WebLayerScrollClient, public blink::WebLayerClient {
+class PLATFORM_EXPORT GraphicsLayer : public GraphicsContextPainter, public blink::WebAnimationDelegate, public blink::WebLayerScrollClient, public blink::WebLayerClient {
     WTF_MAKE_NONCOPYABLE(GraphicsLayer); WTF_MAKE_FAST_ALLOCATED;
 public:
     static PassOwnPtr<GraphicsLayer> create(GraphicsLayerFactory*, GraphicsLayerClient*);