Implemented OwnerSettingsService::Set() method.

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 201 matching lines @@
       'browser/chromeos/login/users/wallpaper/wallpaper_manager_unittest.cc',
       'browser/chromeos/memory/oom_priority_manager_unittest.cc',
       'browser/chromeos/mobile/mobile_activator_unittest.cc',
       'browser/chromeos/mobile_config_unittest.cc',
       'browser/chromeos/net/cert_verify_proc_chromeos_unittest.cc',
       'browser/chromeos/net/network_portal_detector_impl_unittest.cc',
       'browser/chromeos/net/network_portal_notification_controller_unittest.cc',
       'browser/chromeos/net/onc_utils_unittest.cc',
       'browser/chromeos/offline/offline_load_page_unittest.cc',
       'browser/chromeos/options/network_property_ui_data_unittest.cc',
+      'browser/chromeos/ownership/owner_settings_service_chromeos_unittest.cc',
       'browser/chromeos/policy/auto_enrollment_client_unittest.cc',
       'browser/chromeos/policy/cloud_external_data_manager_base_unittest.cc',
       'browser/chromeos/policy/cloud_external_data_policy_observer_unittest.cc',
       'browser/chromeos/policy/cloud_external_data_store_unittest.cc',
       'browser/chromeos/policy/configuration_policy_handler_chromeos_unittest.cc',
       'browser/chromeos/policy/consumer_enrollment_handler_unittest.cc',
       'browser/chromeos/policy/consumer_management_service_unittest.cc',
       'browser/chromeos/policy/device_cloud_policy_invalidator_unittest.cc',
       'browser/chromeos/policy/device_cloud_policy_manager_chromeos_unittest.cc',
       'browser/chromeos/policy/device_cloud_policy_store_chromeos_unittest.cc',
@@ skipping 2641 matching lines @@
               'dependencies': [
                 '../tools/xdisplaycheck/xdisplaycheck.gyp:xdisplaycheck',
               ],
             }],
           ],
         },
       ],
     }],
   ],  # 'conditions'
 }