Standardize usage of virtual/override/final specifiers.

chrome/browser/signin/signin_error_notifier_ash_unittest.cc

 // Copyright 2014 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/signin/signin_error_notifier_ash.h"
 
 #include "ash/test/ash_test_base.h"
 #include "base/memory/scoped_ptr.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/notifications/notification.h"
@@ skipping 44 matching lines @@
         gfx::SCREEN_TYPE_ALTERNATE :
         gfx::SCREEN_TYPE_NATIVE;
   }
  private:
   DISALLOW_COPY_AND_ASSIGN(ScreenTypeDelegateDesktop);
 };
 #endif
 
 class SigninErrorNotifierTest : public AshTestBase {
  public:
-  virtual void SetUp() override {
+  void SetUp() override {
     // Create a signed-in profile.
     TestingProfile::Builder builder;
     builder.AddTestingFactory(SigninManagerFactory::GetInstance(),
                               FakeSigninManagerBase::Build);
     profile_ = builder.Build();
     profile_->set_profile_name(kTestAccountId);
 
     profile_manager_.reset(
         new TestingProfileManager(TestingBrowserProcess::GetGlobal()));
     ASSERT_TRUE(profile_manager_->SetUp());
 
     TestingBrowserProcess::GetGlobal();
     AshTestBase::SetUp();
 
     // Set up screen for Windows.
 #if defined(OS_WIN)
     test_screen_.reset(aura::TestScreen::Create(gfx::Size()));
     gfx::Screen::SetScreenInstance(gfx::SCREEN_TYPE_NATIVE, test_screen_.get());
     gfx::Screen::SetScreenTypeDelegate(new ScreenTypeDelegateDesktop);
 #endif
 
     error_controller_ =
         ProfileOAuth2TokenServiceFactory::GetForProfile(profile_.get())->
             signin_error_controller();
     SigninErrorNotifierFactory::GetForProfile(profile_.get());
     notification_ui_manager_ = g_browser_process->notification_ui_manager();
   }
 
-  virtual void TearDown() override {
+  void TearDown() override {
 #if defined(OS_WIN)
     test_screen_.reset();
 #endif
     profile_manager_.reset();
 
     AshTestBase::TearDown();
   }
 
  protected:
   void GetMessage(base::string16* message) {
@@ skipping 146 matching lines @@
       EXPECT_FALSE(notification->title().empty());
       EXPECT_FALSE(notification->message().empty());
       EXPECT_EQ((size_t)1, notification->buttons().size());
     }
   }
 }
 #endif
 
 }  // namespace test
 }  // namespace ash