Make the favicons look visually the same after refreshing

base/mac/mac_util.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.
 
 #ifndef BASE_MAC_MAC_UTIL_H_
 #define BASE_MAC_MAC_UTIL_H_
 
 #include <AvailabilityMacros.h>
 #include <Carbon/Carbon.h>
 #include <string>
@@ skipping 29 matching lines @@
   kFullScreenModeNormal = 10,
 };
 
 BASE_EXPORT std::string PathFromFSRef(const FSRef& ref);
 BASE_EXPORT bool FSRefFromPath(const std::string& path, FSRef* ref);
 
 // Returns an sRGB color space.  The return value is a static value; do not
 // release it!
 BASE_EXPORT CGColorSpaceRef GetSRGBColorSpace();
 
+// Returns the generic RGB color space. The return value is a static value; do
+// not release it!
+BASE_EXPORT CGColorSpaceRef GetGenericRGBColorSpace();
+
 // Returns the color space being used by the main display.  The return value
 // is a static value; do not release it!
 BASE_EXPORT CGColorSpaceRef GetSystemColorSpace();
 
 // Add a full screen request for the given |mode|.  Must be paired with a
 // ReleaseFullScreen() call for the same |mode|.  This does not by itself create
 // a fullscreen window; rather, it manages per-application state related to
 // hiding the dock and menubar.  Must be called on the main thread.
 BASE_EXPORT void RequestFullScreen(FullScreenMode mode);
 
@@ skipping 131 matching lines @@
 // If any error occurs, none of the input pointers are touched.
 BASE_EXPORT bool ParseModelIdentifier(const std::string& ident,
                                       std::string* type,
                                       int32* major,
                                       int32* minor);
 
 }  // namespace mac
 }  // namespace base
 
 #endif  // BASE_MAC_MAC_UTIL_H_