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diff --git a/base/gfx/skia_utils_mac.h b/base/gfx/skia_utils_mac.h
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+// Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+
+#ifndef BASE_GFX_SKIA_UTILS_MAC_H__
+#define BASE_GFX_SKIA_UTILS_MAC_H__
+
+#include "SkColor.h"
+#include <CoreGraphics/CGColor.h>
+
+struct SkMatrix;
+struct SkIRect;
+struct SkPoint;
+struct SkRect;
+
+namespace gfx {
+
+// Converts a Skia point to a CoreGraphics CGPoint.
+// Both use same in-memory format.
+inline const CGPoint& SkPointToCGPoint(const SkPoint& point) {
+  return reinterpret_cast<const CGPoint&>(point);
+}
+
+// Converts a CoreGraphics point to a Skia CGPoint.
+// Both use same in-memory format.
+inline const SkPoint& CGPointToSkPoint(const CGPoint& point) {
+  return reinterpret_cast<const SkPoint&>(point);
+}
+
+// Matrix converters.
+CGAffineTransform SkMatrixToCGAffineTransform(const SkMatrix& matrix);
+  
+// Rectangle converters.
+SkRect CGRectToSkRect(const CGRect& rect);
+SkIRect CGRectToSkIRect(const CGRect& rect);
+
+// Converts a Skia rect to a CoreGraphics CGRect.
+CGRect SkIRectToCGRect(const SkIRect& rect);
+CGRect SkRectToCGRect(const SkRect& rect);
+
+// Converts CGColorRef to the ARGB layout Skia expects.
+SkColor CGColorRefToSkColor(CGColorRef color);
+
+// Converts ARGB to CGColorRef.
+CGColorRef SkColorToCGColorRef(SkColor color);
+
+}  // namespace gfx
+
+#endif
+