Move AvatarMenuModel::Item into ui/base.

ui/ui.gyp

 # 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.
 
 {
   'variables': {
     'chromium_code': 1,
   },
   'includes': [
     'shell_dialogs.gypi',
@@ skipping 279 matching lines @@
         'base/ozone/evdev/touch_event_converter_ozone.cc',
         'base/ozone/evdev/touch_event_converter_ozone.h',
         'base/ozone/event_converter_ozone.cc',
         'base/ozone/event_converter_ozone.h',
         'base/ozone/event_factory_delegate_ozone.h',
         'base/ozone/event_factory_ozone.cc',
         'base/ozone/event_factory_ozone.h',
         'base/ozone/events_ozone.cc',
         'base/ozone/surface_factory_ozone.cc',
         'base/ozone/surface_factory_ozone.h',
+        'base/profile_selector/avatar_menu_item_model.cc',
+        'base/profile_selector/avatar_menu_item_model.h',
         'base/range/range.cc',
         'base/range/range.h',
         'base/range/range_mac.mm',
         'base/range/range_win.cc',
         'base/resource/data_pack.cc',
         'base/resource/data_pack.h',
         'base/resource/resource_bundle.cc',
         'base/resource/resource_bundle.h',
         'base/resource/resource_bundle_android.cc',
         'base/resource/resource_bundle_auralinux.cc',
@@ skipping 739 matching lines @@
               'xcode_settings': {
                 'GCC_SYMBOLS_PRIVATE_EXTERN': 'NO',
               },
             }],
           ],
         },
       ],
     }],
   ],
 }