color: Add --force-color-profile command line flag

ui/gfx/icc_profile_mac.mm

 // Copyright 2014 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/icc_profile.h"
 
 #include "base/mac/mac_util.h"
 #include "base/mac/scoped_cftyperef.h"
 
 namespace gfx {
 
 // static
 ICCProfile ICCProfile::FromBestMonitor() {
   return FromCGColorSpace(base::mac::GetSystemColorSpace());
 }
 
 // static
 ICCProfile ICCProfile::FromCGColorSpace(CGColorSpaceRef cg_color_space) {
+  if (HasForcedProfile())
+    return GetForcedProfile();
+
   base::ScopedCFTypeRef<CFDataRef> cf_icc_profile(
       CGColorSpaceCopyICCProfile(cg_color_space));
   if (!cf_icc_profile)
     return gfx::ICCProfile();
   size_t length = CFDataGetLength(cf_icc_profile);
   const unsigned char* data = CFDataGetBytePtr(cf_icc_profile);
   std::vector<char> vector_icc_profile;
   vector_icc_profile.assign(data, data + length);
   return FromData(vector_icc_profile.data(), vector_icc_profile.size());
 }
 
 }  // namespace gfx