Revert of Color: Don't duplicate ICC profile data

ui/gfx/color_space_win.cc

 // 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.
 
 #include "ui/gfx/color_space.h"
 
 #include <windows.h>
 #include <stddef.h>
 #include <map>
 
@@ skipping 41 matching lines @@
 // static
 bool ColorSpace::CachedProfilesNeedUpdate() {
   base::AutoLock lock(g_best_monitor_color_space_lock.Get());
   return !g_has_initialized_best_monitor_color_space;
 }
 
 // static
 void ColorSpace::UpdateCachedProfilesOnBackgroundThread() {
   std::vector<char> icc_profile;
   ReadBestMonitorICCProfile(&icc_profile);
-  gfx::ColorSpace color_space = FromICCProfile(icc_profile);
 
   base::AutoLock lock(g_best_monitor_color_space_lock.Get());
-  g_best_monitor_color_space.Get() = color_space;
+  g_best_monitor_color_space.Get().icc_profile_ = icc_profile;
   g_has_initialized_best_monitor_color_space = true;
 }
 
 }  // namespace gfx