Do not restart Chrome to apply user flags with stub session manager

chrome/browser/chromeos/settings/device_settings_test_helper.cc

 // 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.
 
 #include "chrome/browser/chromeos/settings/device_settings_test_helper.h"
 
 #include "base/message_loop/message_loop.h"
 #include "base/run_loop.h"
 #include "base/threading/sequenced_worker_pool.h"
 #include "chrome/browser/chromeos/ownership/owner_settings_service_chromeos.h"
@@ skipping 157 matching lines @@
     const StorePolicyCallback& callback) {}
 
 void DeviceSettingsTestHelper::StoreDeviceLocalAccountPolicy(
     const std::string& account_id,
     const std::string& policy_blob,
     const StorePolicyCallback& callback) {
   device_local_account_policy_[account_id].policy_blob_ = policy_blob;
   device_local_account_policy_[account_id].store_callbacks_.push_back(callback);
 }
 
+bool DeviceSettingsTestHelper::SupportsRestartToApplyUserFlags() const {
+  return false;
+}
+
 void DeviceSettingsTestHelper::SetFlagsForUser(
     const cryptohome::Identification& cryptohome_id,
     const std::vector<std::string>& flags) {}
 
 void DeviceSettingsTestHelper::GetServerBackedStateKeys(
     const StateKeysCallback& callback) {}
 
 void DeviceSettingsTestHelper::CheckArcAvailability(
     const ArcCallback& callback) {}
 
@@ skipping 102 matching lines @@
         const_cast<user_manager::User*>(user));
   }
   OwnerSettingsServiceChromeOS* service =
       OwnerSettingsServiceChromeOSFactory::GetForBrowserContext(profile_.get());
   CHECK(service);
   if (tpm_is_ready)
     service->OnTPMTokenReady(true /* token is enabled */);
 }
 
 }  // namespace chromeos