Move ui::gfx::Image out of the ui namespace to be just gfx::Image.

ui/gfx/image.h

 // Copyright (c) 2011 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_H_
 #define UI_GFX_IMAGE_H_
 #pragma once
 
 #include <map>
 
 #include "base/basictypes.h"
 #include "base/gtest_prod_util.h"
 #include "build/build_config.h"
 #include "ui/gfx/native_widget_types.h"  // Forward-declares GdkPixbuf and NSImage.
 #include "third_party/skia/include/core/SkBitmap.h"
 
 namespace {
 class ImageTest;
 }
 
-namespace ui {
 namespace gfx {
 
 namespace internal {
 class ImageRep;
 }
 
 // An Image wraps an image any flavor, be it platform-native GdkBitmap/NSImage,
 // or a SkBitmap. This also provides easy conversion to other image types
 // through operator overloading. It will cache the converted representations
 // internally to prevent double-conversion.
@@ skipping 50 matching lines @@
 
   typedef std::map<RepresentationType, internal::ImageRep*> RepresentationMap;
   // All the representations of an Image. Size will always be at least one, with
   // more for any converted representations.
   RepresentationMap representations_;
 
   DISALLOW_COPY_AND_ASSIGN(Image);
 };
 
 }  // namespace gfx
-}  // namespace ui
 
 #endif  // UI_GFX_IMAGE_H_