Added system notification for update_engine.

chrome/chrome_tests.gypi

 # Copyright (c) 2010 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' : {
     'pyautolib_sources': [
       'app/chrome_dll_resource.h',
       'common/pref_names.cc',
       'common/pref_names.h',
@@ skipping 1356 matching lines @@
         'browser/chromeos/login/wizard_controller_browsertest.cc',
         'browser/chromeos/login/wizard_in_process_browser_test.cc',
         'browser/chromeos/login/wizard_in_process_browser_test.h',
         'browser/chromeos/network_state_notifier_browsertest.cc',
         'browser/chromeos/notifications/notification_browsertest.cc',
         'browser/chromeos/options/wifi_config_view_browsertest.cc',
         'browser/chromeos/panels/panel_browsertest.cc',
         'browser/chromeos/status/clock_menu_button_browsertest.cc',
         'browser/chromeos/status/language_menu_button_browsertest.cc',
         'browser/chromeos/status/power_menu_button_browsertest.cc',
+        'browser/chromeos/update_browsertest.cc',
         'browser/crash_recovery_browsertest.cc',
         'browser/dom_ui/file_browse_browsertest.cc',
         'browser/dom_ui/mediaplayer_browsertest.cc',
         'browser/download/save_page_browsertest.cc',
         'browser/extensions/alert_apitest.cc',
         'browser/extensions/app_background_page_apitest.cc',
         'browser/extensions/app_process_apitest.cc',
         'browser/extensions/autoupdate_interceptor.cc',
         'browser/extensions/autoupdate_interceptor.h',
         'browser/extensions/browser_action_apitest.cc',
@@ skipping 1181 matching lines @@
       ]
     }],  # 'coverage!=0'
   ],  # 'conditions'
 }
 
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 # tab-width:2
 # indent-tabs-mode:nil
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