Standardize usage of virtual/override/final specifiers.

ash/system/web_notification/web_notification_tray_unittest.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 "ash/system/web_notification/web_notification_tray.h"
 
 #include <vector>
 
 #include "ash/display/display_manager.h"
 #include "ash/root_window_controller.h"
@@ skipping 54 matching lines @@
 
 SystemTray* GetSystemTray() {
   return StatusAreaWidgetTestHelper::GetStatusAreaWidget()->system_tray();
 }
 
 // Trivial item implementation for testing PopupAndSystemTray test case.
 class TestItem : public SystemTrayItem {
  public:
   TestItem() : SystemTrayItem(GetSystemTray()) {}
 
-  virtual views::View* CreateDefaultView(user::LoginStatus status) override {
+  views::View* CreateDefaultView(user::LoginStatus status) override {
     views::View* default_view = new views::View;
     default_view->SetLayoutManager(new views::FillLayout);
     default_view->AddChildView(new views::Label(base::UTF8ToUTF16("Default")));
     return default_view;
   }
 
-  virtual views::View* CreateNotificationView(
-      user::LoginStatus status) override {
+  views::View* CreateNotificationView(user::LoginStatus status) override {
     return new views::View;
   }
 
  private:
   DISALLOW_COPY_AND_ASSIGN(TestItem);
 };
 
 }  // namespace
 
 class WebNotificationTrayTest : public test::AshTestBase {
  public:
   WebNotificationTrayTest() {}
-  virtual ~WebNotificationTrayTest() {}
+  ~WebNotificationTrayTest() override {}
 
-  virtual void SetUp() override {
+  void SetUp() override {
     CommandLine::ForCurrentProcess()->AppendSwitch(
         switches::kEnableTouchFeedback);
     test::AshTestBase::SetUp();
   }
 
-  virtual void TearDown() override {
+  void TearDown() override {
     GetMessageCenter()->RemoveAllNotifications(false);
     test::AshTestBase::TearDown();
   }
 
  protected:
   void AddNotification(const std::string& id) {
     scoped_ptr<message_center::Notification> notification;
     notification.reset(new message_center::Notification(
         message_center::NOTIFICATION_TYPE_SIMPLE,
         id,
@@ skipping 431 matching lines @@
       move.time_stamp()+base::TimeDelta::FromMilliseconds(50));
   generator.Dispatch(&release);
   RunAllPendingInMessageLoop();
   EXPECT_FALSE(tray->draw_background_as_active());
   EXPECT_FALSE(tray->IsMessageCenterBubbleVisible());
 }
 
 #endif  // OS_CHROMEOS
 
 }  // namespace ash