Standardize usage of virtual/override/final specifiers.

ui/message_center/message_center_impl_unittest.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 "ui/message_center/message_center_impl.h"
 
 #include "base/bind.h"
 #include "base/message_loop/message_loop.h"
 #include "base/run_loop.h"
 #include "base/strings/utf_string_conversions.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "ui/gfx/canvas.h"
 #include "ui/gfx/size.h"
 #include "ui/message_center/message_center.h"
 #include "ui/message_center/message_center_types.h"
 #include "ui/message_center/notification_blocker.h"
 #include "ui/message_center/notification_types.h"
 #include "ui/message_center/notifier_settings.h"
 
 using base::UTF8ToUTF16;
 
 namespace message_center {
 namespace {
 
 class MessageCenterImplTest : public testing::Test,
                               public MessageCenterObserver {
  public:
   MessageCenterImplTest() {}
 
-  virtual void SetUp() override {
+  void SetUp() override {
     MessageCenter::Initialize();
     message_center_ = MessageCenter::Get();
     loop_.reset(new base::MessageLoop);
     run_loop_.reset(new base::RunLoop());
     closure_ = run_loop_->QuitClosure();
   }
 
-  virtual void TearDown() override {
+  void TearDown() override {
     run_loop_.reset();
     loop_.reset();
     message_center_ = NULL;
     MessageCenter::Shutdown();
   }
 
   MessageCenter* message_center() const { return message_center_; }
   NotifierSettingsObserver* notifier_settings_observer() const {
     return static_cast<NotifierSettingsObserver*>(message_center_impl());
   }
@@ skipping 812 matching lines @@
   ASSERT_EQ(3u, message_center()->NotificationCount());
 
   // Now we remove the remaining notifications.
   notifier_settings_observer()->NotifierEnabledChanged(
       NotifierId(NotifierId::APPLICATION, "app1"), false);
   ASSERT_EQ(0u, message_center()->NotificationCount());
 }
 
 }  // namespace internal
 }  // namespace message_center