Moving GraphicsContext and dependencies from core to platform.

Source/platform/graphics/skia/SkiaUtils.h

Index: Source/platform/graphics/skia/SkiaUtils.h
diff --git a/Source/core/platform/graphics/skia/SkiaUtils.h b/Source/platform/graphics/skia/SkiaUtils.h
similarity index 93%
rename from Source/core/platform/graphics/skia/SkiaUtils.h
rename to Source/platform/graphics/skia/SkiaUtils.h
index 9a03bb6072a7a56eed471c469e699a2a9f5d9f50..37e074c76d73f51b317c5f30521dda7d81d55c17 100644
--- a/Source/core/platform/graphics/skia/SkiaUtils.h
+++ b/Source/platform/graphics/skia/SkiaUtils.h
@@ -36,6 +36,7 @@
 #include "SkMatrix.h"
 #include "SkPath.h"
 #include "SkXfermode.h"
+#include "platform/PlatformExport.h"
 #include "platform/geometry/FloatRect.h"
 #include "platform/graphics/Color.h"
 #include "platform/graphics/GraphicsTypes.h"
@@ -55,9 +56,6 @@ PassRefPtr<SkXfermode> WebCoreCompositeToSkiaComposite(CompositeOperator, blink:
 // move this guy into SkColor.h
 SkColor SkPMColorToColor(SkPMColor);
 
-// This should be an operator on Color
-Color SkPMColorToWebCoreColor(SkPMColor);
-
 // Skia has problems when passed infinite, etc floats, filter them to 0.
 inline SkScalar WebCoreFloatToSkScalar(float f)
 {
@@ -83,9 +81,9 @@ inline SkRect WebCoreFloatRectToSKRect(const FloatRect& rect)
 void ClipRectToCanvas(const GraphicsContext*, const SkRect& srcRect, SkRect* destRect);
 
 // Determine if a given WebKit point is contained in a path
-bool SkPathContainsPoint(const SkPath&, const FloatPoint&, SkPath::FillType);
+bool PLATFORM_EXPORT SkPathContainsPoint(const SkPath&, const FloatPoint&, SkPath::FillType);
 
-SkMatrix affineTransformToSkMatrix(const AffineTransform&);
+SkMatrix PLATFORM_EXPORT affineTransformToSkMatrix(const AffineTransform&);
 
 }  // namespace WebCore