Implemented OwnerSettingsService::Set() method.

chrome/browser/chromeos/settings/device_settings_test_helper.cc

Index: chrome/browser/chromeos/settings/device_settings_test_helper.cc
diff --git a/chrome/browser/chromeos/settings/device_settings_test_helper.cc b/chrome/browser/chromeos/settings/device_settings_test_helper.cc
index 24e588637001e31b1d4f9fd35806c5f900faf862..fed7034528326c12e993d53ebd398fbd7674ee26 100644
--- a/chrome/browser/chromeos/settings/device_settings_test_helper.cc
+++ b/chrome/browser/chromeos/settings/device_settings_test_helper.cc
@@ -197,6 +197,8 @@ DeviceSettingsTestBase::DeviceSettingsTestBase()
     : user_manager_(new FakeUserManager()),
       user_manager_enabler_(user_manager_),
       owner_key_util_(new ownership::MockOwnerKeyUtil()) {
+  OwnerSettingsServiceChromeOSFactory::SetDeviceSettingsServiceForTesting(
+      &device_settings_service_);
   OwnerSettingsServiceChromeOSFactory::GetInstance()->SetOwnerKeyUtilForTesting(
       owner_key_util_);
 }
@@ -218,13 +220,11 @@ void DeviceSettingsTestBase::SetUp() {
   device_settings_test_helper_.set_policy_blob(device_policy_.GetBlob());
   device_settings_service_.SetSessionManager(&device_settings_test_helper_,
                                              owner_key_util_);
-  OwnerSettingsServiceChromeOS::SetDeviceSettingsServiceForTesting(
-      &device_settings_service_);
   profile_.reset(new TestingProfile());
 }
 
 void DeviceSettingsTestBase::TearDown() {
-  OwnerSettingsServiceChromeOS::SetDeviceSettingsServiceForTesting(NULL);
+  OwnerSettingsServiceChromeOSFactory::SetDeviceSettingsServiceForTesting(NULL);
   FlushDeviceSettings();
   device_settings_service_.UnsetSessionManager();
   DBusThreadManager::Shutdown();