Moving GraphicsContext and dependencies from core to platform.

Source/platform/graphics/GraphicsContext.cpp

Index: Source/platform/graphics/GraphicsContext.cpp
diff --git a/Source/core/platform/graphics/GraphicsContext.cpp b/Source/platform/graphics/GraphicsContext.cpp
similarity index 99%
rename from Source/core/platform/graphics/GraphicsContext.cpp
rename to Source/platform/graphics/GraphicsContext.cpp
index 0be006cf772c58b71df2af4ebfaa4a6f5643aff0..23d116a6f36568e12714a76fcf3774839646c3eb 100644
--- a/Source/core/platform/graphics/GraphicsContext.cpp
+++ b/Source/platform/graphics/GraphicsContext.cpp
@@ -25,13 +25,13 @@
  */
 
 #include "config.h"
-#include "core/platform/graphics/GraphicsContext.h"
+#include "platform/graphics/GraphicsContext.h"
 
-#include "core/platform/graphics/BitmapImage.h"
-#include "core/platform/graphics/Gradient.h"
 #include "platform/geometry/IntRect.h"
 #include "platform/geometry/RoundedRect.h"
+#include "platform/graphics/BitmapImage.h"
 #include "platform/graphics/DisplayList.h"
+#include "platform/graphics/Gradient.h"
 #include "platform/graphics/TextRunIterator.h"
 #include "platform/text/BidiResolver.h"
 #include "platform/weborigin/KURL.h"
@@ -178,13 +178,15 @@ void GraphicsContext::restoreLayer()
         m_opaqueRegion.popCanvasLayer(this);
 }
 
-void GraphicsContext::beginAnnotation(const GraphicsContextAnnotation& annotation)
+void GraphicsContext::beginAnnotation(const char* rendererName, const char* paintPhase,
+    const String& elementId, const String& elementClass, const String& elementTag)
 {
     if (paintingDisabled())
         return;
 
     canvas()->beginCommentGroup("GraphicsContextAnnotation");
 
+    GraphicsContextAnnotation annotation(rendererName, paintPhase, elementId, elementClass, elementTag);
     AnnotationList annotations;
     annotation.asAnnotationList(annotations);
 
@@ -1843,9 +1845,8 @@ PassRefPtr<SkColorFilter> GraphicsContext::WebCoreColorFilterToSkiaColorFilter(C
     return 0;
 }
 
-
 #if OS(MACOSX)
-CGColorSpaceRef deviceRGBColorSpaceRef()
+CGColorSpaceRef PLATFORM_EXPORT deviceRGBColorSpaceRef()
 {
     static CGColorSpaceRef deviceSpace = CGColorSpaceCreateDeviceRGB();
     return deviceSpace;