Refactored signin/sync error controllers for the avatar button

chrome/chrome_browser.gypi

 # Copyright 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.
 
 {
   'variables': {
     # All .cc, .h, .m, and .mm files under browser except for:
     # * tests and mocks.
     # * code below browser/chromeos
     # * code below browser/extensions
@@ skipping 1134 matching lines @@
       'browser/profiles/profile_statistics_factory.cc',
       'browser/profiles/profile_statistics_factory.h',
       'browser/signin/cross_device_promo.cc',
       'browser/signin/cross_device_promo.h',
       'browser/signin/cross_device_promo_factory.cc',
       'browser/signin/cross_device_promo_factory.h',
       'browser/signin/signin_global_error.cc',
       'browser/signin/signin_global_error.h',
       'browser/signin/signin_global_error_factory.cc',
       'browser/signin/signin_global_error_factory.h',
+      'browser/sync/avatar_sync_error.cc',
+      'browser/sync/avatar_sync_error.h',
       'browser/sync/sync_global_error.cc',
       'browser/sync/sync_global_error.h',
       'browser/sync/sync_global_error_factory.cc',
       'browser/sync/sync_global_error_factory.h',
       'browser/upgrade_detector_impl.cc',
       'browser/upgrade_detector_impl.h',
     ],
     # Miscellaneous files that were brought up on iOS before the decision not
     # to use chrome/ for iOS. These, plus a few of the directory-specific
     # source lists below, are all that are built on iOS. These are built
@@ skipping 3174 matching lines @@
             '../components/components.gyp:rlz',
             '../components/components.gyp:search_engines',
             '../rlz/rlz.gyp:rlz_lib',
             'common',
           ],
         },
       ],
     }],
   ],
 }