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diff --git a/chromium/ui/gfx/image/image_skia_rep.h b/chromium/ui/gfx/image/image_skia_rep.h
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index 00000000000..1314215d242
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+++ b/chromium/ui/gfx/image/image_skia_rep.h
@@ -0,0 +1,61 @@
+// Copyright (c) 2012 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 UI_GFX_IMAGE_IMAGE_SKIA_REP_H_
+#define UI_GFX_IMAGE_IMAGE_SKIA_REP_H_
+
+#include "third_party/skia/include/core/SkBitmap.h"
+#include "ui/base/layout.h"
+#include "ui/base/ui_export.h"
+#include "ui/gfx/size.h"
+
+namespace gfx {
+
+// An ImageSkiaRep represents a bitmap and the scale factor it is intended for.
+class UI_EXPORT ImageSkiaRep {
+ public:
+  // Create null bitmap.
+  ImageSkiaRep();
+  ~ImageSkiaRep();
+
+  // Creates a bitmap with kARGB_8888_Config config with given |size| in DIP.
+  // This allocates pixels in the bitmap.
+  ImageSkiaRep(const gfx::Size& size, ui::ScaleFactor scale_factor);
+
+  // Creates a bitmap with given scale factor.
+  // Adds ref to |src|.
+  ImageSkiaRep(const SkBitmap& src, ui::ScaleFactor scale_factor);
+
+  // Returns true if the backing bitmap is null.
+  bool is_null() const { return bitmap_.isNull(); }
+
+  // Get width and height of bitmap in DIP.
+  int GetWidth() const;
+  int GetHeight() const;
+
+  // Get width and height of bitmap in pixels.
+  int pixel_width() const { return bitmap_.width(); }
+  int pixel_height() const { return bitmap_.height(); }
+  Size pixel_size() const {
+    return Size(pixel_width(), pixel_height());
+  }
+
+  // Retrieves the scale that the bitmap will be painted at.
+  float GetScale() const;
+  ui::ScaleFactor scale_factor() const { return scale_factor_; }
+
+  // Returns backing bitmap.
+  const SkBitmap& sk_bitmap() const { return bitmap_; }
+
+ private:
+  friend class ImageSkia;
+  SkBitmap& mutable_sk_bitmap() { return bitmap_; }
+
+  SkBitmap bitmap_;
+  ui::ScaleFactor scale_factor_;
+};
+
+}  // namespace gfx
+
+#endif  // UI_GFX_IMAGE_IMAGE_SKIA_REP_H_