Standardize usage of virtual/override/final in chrome/

chrome/test/base/interactive_ui_tests_main.cc

 // Copyright 2013 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/test/base/chrome_test_launcher.h"
 
 #include "chrome/test/base/chrome_test_suite.h"
 #include "ui/base/test/ui_controls.h"
 
 #if defined(USE_AURA)
 #include "ui/aura/test/ui_controls_factory_aura.h"
 #include "ui/base/test/ui_controls_aura.h"
 #if defined(OS_LINUX) && !defined(OS_CHROMEOS)
 #include "ui/views/test/ui_controls_factory_desktop_aurax11.h"
 #endif
 #endif
 
 #if defined(OS_CHROMEOS)
 #include "ash/test/ui_controls_factory_ash.h"
 #endif
 
 #if defined(OS_WIN)
 #include "base/win/scoped_com_initializer.h"
 #endif
 
 class InteractiveUITestSuite : public ChromeTestSuite {
  public:
   InteractiveUITestSuite(int argc, char** argv) : ChromeTestSuite(argc, argv) {}
-  virtual ~InteractiveUITestSuite() {}
+  ~InteractiveUITestSuite() override {}
 
  protected:
   // ChromeTestSuite overrides:
-  virtual void Initialize() override {
+  void Initialize() override {
     ChromeTestSuite::Initialize();
 
     // Only allow ui_controls to be used in interactive_ui_tests, since they
     // depend on focus and can't be sharded.
     ui_controls::EnableUIControls();
 
 #if defined(OS_CHROMEOS)
     ui_controls::InstallUIControlsAura(ash::test::CreateAshUIControls());
 #elif defined(USE_AURA)
 #if defined(OS_WIN)
     com_initializer_.reset(new base::win::ScopedCOMInitializer());
 #endif
 
 #if defined(OS_LINUX)
     ui_controls::InstallUIControlsAura(
         views::test::CreateUIControlsDesktopAura());
 #else
     // TODO(win_ash): when running interactive_ui_tests for Win Ash, use above.
     ui_controls::InstallUIControlsAura(aura::test::CreateUIControlsAura(NULL));
 #endif
 #endif
   }
 
-  virtual void Shutdown() override {
+  void Shutdown() override {
 #if defined(OS_WIN)
     com_initializer_.reset();
 #endif
   }
 
  private:
 #if defined(OS_WIN)
   scoped_ptr<base::win::ScopedCOMInitializer> com_initializer_;
 #endif
 };
 
 class InteractiveUITestSuiteRunner : public ChromeTestSuiteRunner {
  public:
-  virtual int RunTestSuite(int argc, char** argv) override {
+  int RunTestSuite(int argc, char** argv) override {
     return InteractiveUITestSuite(argc, argv).Run();
   }
 };
 
 int main(int argc, char** argv) {
   // Run interactive_ui_tests serially, they do not support running in parallel.
   int default_jobs = 1;
   InteractiveUITestSuiteRunner runner;
   return LaunchChromeTests(default_jobs, &runner, argc, argv);
 }