Add device policy to disallow shutdown - ash UI modifications

chrome/chrome_tests_unit.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': {
     'chrome_unit_tests_sources': [
       '../apps/saved_files_service_unittest.cc',
       '../components/autofill/content/renderer/test_password_autofill_agent.cc',
       '../components/autofill/content/renderer/test_password_autofill_agent.h',
       '../components/autofill/content/renderer/test_password_generation_agent.cc',
@@ skipping 226 matching lines @@
       'browser/chromeos/power/renderer_freezer_unittest.cc',
       'browser/chromeos/preferences_unittest.cc',
       'browser/chromeos/profiles/profile_list_chromeos_unittest.cc',
       'browser/chromeos/proxy_config_service_impl_unittest.cc',
       'browser/chromeos/session_length_limiter_unittest.cc',
       'browser/chromeos/settings/cros_settings_unittest.cc',
       'browser/chromeos/settings/device_oauth2_token_service_unittest.cc',
       'browser/chromeos/settings/device_settings_provider_unittest.cc',
       'browser/chromeos/settings/device_settings_service_unittest.cc',
       'browser/chromeos/settings/session_manager_operation_unittest.cc',
+      'browser/chromeos/settings/shutdown_policy_handler_unittest.cc',
       'browser/chromeos/settings/stub_cros_settings_provider_unittest.cc',
       'browser/chromeos/system/automatic_reboot_manager_unittest.cc',
       'browser/chromeos/system/device_disabling_manager_unittest.cc',
       'browser/chromeos/ui/accessibility_focus_ring_controller_unittest.cc',
       'browser/chromeos/ui/idle_app_name_notification_view_unittest.cc',
       'browser/command_updater_unittest.cc',
       'browser/component_updater/test/cld_component_installer_unittest.cc',
       'browser/component_updater/test/component_installers_unittest.cc',
       'browser/component_updater/test/component_updater_service_unittest.cc',
       'browser/component_updater/test/supervised_user_whitelist_installer_unittest.cc',
@@ skipping 969 matching lines @@
       'browser/ui/views/toolbar/reload_button_unittest.cc',
       'browser/ui/views/toolbar/test_toolbar_actions_bar_helper_views.cc',
       'browser/ui/views/translate/translate_bubble_view_unittest.cc',
       'browser/ui/views/validation_message_bubble_delegate_unittest.cc',
       'browser/ui/website_settings/permission_bubble_manager_unittest.cc',
       'browser/ui/website_settings/permission_menu_model_unittest.cc',
       'browser/ui/website_settings/website_settings_unittest.cc',
       'browser/ui/webui/chromeos/login/l10n_util_test_util.cc',
       'browser/ui/webui/chromeos/login/l10n_util_test_util.h',
       'browser/ui/webui/chromeos/login/l10n_util_unittest.cc',
-      'browser/ui/webui/chromeos/login/shutdown_policy_observer_unittest.cc',
       'browser/ui/webui/chromeos/login/signin_userlist_unittest.cc',
       'browser/ui/webui/fileicon_source_unittest.cc',
       'browser/ui/webui/help/version_updater_chromeos_unittest.cc',
       'browser/ui/webui/history_ui_unittest.cc',
       'browser/ui/webui/ntp/ntp_user_data_logger_unittest.cc',
       'browser/ui/webui/ntp/suggestions_combiner_unittest.cc',
       'browser/ui/webui/options/autofill_options_handler_unittest.cc',
       'browser/ui/webui/options/chromeos/cros_language_options_handler_unittest.cc',
       'browser/ui/webui/options/language_options_handler_unittest.cc',
       'browser/ui/webui/options/pepper_flash_content_settings_utils_unittest.cc',
@@ skipping 1706 matching lines @@
               'dependencies': [
                 '../tools/xdisplaycheck/xdisplaycheck.gyp:xdisplaycheck',
               ],
             }],
           ],
         },
       ],
     }],
   ],  # 'conditions'
 }