Standardize usage of virtual/override/final specifiers.

chrome/test/base/testing_browser_process.h

 // 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.
 
 // An implementation of BrowserProcess for unit tests that fails for most
 // services. By preventing creation of services, we reduce dependencies and
 // keep the profile clean. Clients of this class must handle the NULL return
 // value, however.
 
 #ifndef CHROME_TEST_BASE_TESTING_BROWSER_PROCESS_H_
@@ skipping 86 matching lines @@
   printing::PrintJobManager* print_job_manager() override;
   printing::PrintPreviewDialogController* print_preview_dialog_controller()
       override;
   printing::BackgroundPrintingManager* background_printing_manager() override;
   const std::string& GetApplicationLocale() override;
   void SetApplicationLocale(const std::string& app_locale) override;
   DownloadStatusUpdater* download_status_updater() override;
   DownloadRequestLimiter* download_request_limiter() override;
 
 #if (defined(OS_WIN) || defined(OS_LINUX)) && !defined(OS_CHROMEOS)
-  virtual void StartAutoupdateTimer() override {}
+  void StartAutoupdateTimer() override {}
 #endif
 
   ChromeNetLog* net_log() override;
   prerender::PrerenderTracker* prerender_tracker() override;
   component_updater::ComponentUpdateService* component_updater() override;
   CRLSetFetcher* crl_set_fetcher() override;
   component_updater::PnaclComponentInstaller* pnacl_component_installer()
       override;
   MediaFileSystemRegistry* media_file_system_registry() override;
   bool created_local_state() const override;
@@ skipping 83 matching lines @@
 class TestingBrowserProcessInitializer {
  public:
   TestingBrowserProcessInitializer();
   ~TestingBrowserProcessInitializer();
 
  private:
   DISALLOW_COPY_AND_ASSIGN(TestingBrowserProcessInitializer);
 };
 
 #endif  // CHROME_TEST_BASE_TESTING_BROWSER_PROCESS_H_