Update {virtual,override} to follow C++11 style in chrome.

chrome/browser/policy/cloud/device_management_service_browsertest.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 "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/message_loop/message_loop.h"
 #include "base/stl_util.h"
 #include "chrome/browser/browser_process.h"
@@ skipping 124 matching lines @@
                             g_browser_process->system_request_context()));
     job->SetGaiaToken("gaia_auth_token");
     job->SetOAuthToken("oauth_token");
     job->SetClientID("testid");
     job->GetRequest()->mutable_register_request();
     job->Start(base::Bind(&DeviceManagementServiceIntegrationTest::OnJobDone,
                           base::Unretained(this)));
     base::MessageLoop::current()->Run();
   }
 
-  virtual void SetUpOnMainThread() override {
+  void SetUpOnMainThread() override {
     std::string service_url((this->*(GetParam()))());
     service_.reset(new DeviceManagementService(
         scoped_ptr<DeviceManagementService::Configuration>(
             new MockDeviceManagementServiceConfiguration(service_url))));
     service_->ScheduleInitialization(0);
   }
 
-  virtual void TearDownOnMainThread() override {
+  void TearDownOnMainThread() override {
     service_.reset();
     test_server_.reset();
     interceptor_.reset();
   }
 
   void StartTestServer() {
     test_server_.reset(
         new LocalPolicyTestServer("device_management_service_browsertest"));
     ASSERT_TRUE(test_server_->Start());
   }
@@ skipping 97 matching lines @@
   base::MessageLoop::current()->Run();
 }
 
 INSTANTIATE_TEST_CASE_P(
     DeviceManagementServiceIntegrationTestInstance,
     DeviceManagementServiceIntegrationTest,
     testing::Values(&DeviceManagementServiceIntegrationTest::InitCannedResponse,
                     &DeviceManagementServiceIntegrationTest::InitTestServer));
 
 }  // namespace policy