Adding infrastructure for possibility of changing manager names for the supervised accounts.

ash/ash.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,
     'grit_out_dir': '<(SHARED_INTERMEDIATE_DIR)/chrome',
     # These files lists are shared with the GN build.
     'ash_sources': [
@@ skipping 325 matching lines @@
       'system/chromeos/session/logout_button_tray.h',
       'system/chromeos/session/logout_confirmation_controller.cc',
       'system/chromeos/session/logout_confirmation_controller.h',
       'system/chromeos/session/logout_confirmation_dialog.cc',
       'system/chromeos/session/logout_confirmation_dialog.h',
       'system/chromeos/session/session_length_limit_observer.h',
       'system/chromeos/session/tray_session_length_limit.cc',
       'system/chromeos/session/tray_session_length_limit.h',
       'system/chromeos/settings/tray_settings.cc',
       'system/chromeos/settings/tray_settings.h',
+      'system/chromeos/supervised/custodian_info_tray_observer.h',
       'system/chromeos/supervised/tray_supervised_user.cc',
       'system/chromeos/supervised/tray_supervised_user.h',
       'system/chromeos/system_clock_observer.cc',
       'system/chromeos/system_clock_observer.h',
       'system/chromeos/tray_caps_lock.cc',
       'system/chromeos/tray_caps_lock.h',
       'system/chromeos/tray_display.cc',
       'system/chromeos/tray_display.h',
       'system/chromeos/tray_tracing.cc',
       'system/chromeos/tray_tracing.h',
@@ skipping 935 matching lines @@
             '../build/isolate.gypi',
           ],
           'sources': [
             'ash_unittests.isolate',
           ],
         },
       ],
     }],
   ],
 }