Make the favicons look visually the same after refreshing

ui/gfx/image/image.h

 // 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.
 
 // 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.
 //
 // The lifetime of both the initial representation and any converted ones are
@@ skipping 10 matching lines @@
 
 #include <map>
 #include <vector>
 
 #include "base/basictypes.h"
 #include "base/gtest_prod_util.h"
 #include "base/memory/ref_counted_memory.h"
 #include "ui/base/ui_export.h"
 #include "ui/gfx/native_widget_types.h"
 
+#if defined(OS_MACOSX)
+#include <Carbon/Carbon.h>

[Nico, 2013/06/13 00:12:44]

Carbon? Does ApplicationServices work instead?

Also, can you say `typedef struct CGColorSpace *CGColorSpaceRef;` and include
the header only in the cc file?

+#endif
+
 class SkBitmap;
 
 namespace {
 class ImageTest;
 class ImageMacTest;
 }
 
 namespace gfx {
 struct ImagePNGRep;
 class ImageSkia;
@@ skipping 127 matching lines @@
   bool IsEmpty() const;
 
   // Width and height of image in DIP coordinate system.
   int Width() const;
   int Height() const;
   gfx::Size Size() const;
 
   // Swaps this image's internal representations with |other|.
   void SwapRepresentations(gfx::Image* other);
 
+#if defined(OS_MACOSX)
+  // Set the default representation's color space. This is used for converting
+  // to NSImage. This is used to compensate for PNGCodec not writing or reading
+  // colorspace ancillary chunks. (sRGB, iCCP).
+  void SetSourceColorSpace(CGColorSpaceRef color_space);
+#endif  // OS_MACOSX
+
  private:
   // Returns the type of the default representation.
   RepresentationType DefaultRepresentationType() const;
 
   // Returns the ImageRep of the appropriate type or NULL if there is no
   // representation of that type (and must_exist is false).
   internal::ImageRep* GetRepresentation(
       RepresentationType rep_type, bool must_exist) const;
 
   // Stores a representation into the map.
   void AddRepresentation(internal::ImageRep* rep) const;
 
   // Internal class that holds all the representations. This allows the Image to
   // be cheaply copied.
   scoped_refptr<internal::ImageStorage> storage_;
 
   friend class ::ImageTest;
   friend class ::ImageMacTest;
 };
 
 }  // namespace gfx
 
 #endif  // UI_GFX_IMAGE_IMAGE_H_