Standardize usage of virtual/override/final in chrome/browser/apps/

chrome/browser/apps/app_shim/app_shim_handler_mac.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/browser/apps/app_shim/app_shim_handler_mac.h"
 
 #include <map>
 
 #include "base/bind.h"
 #include "base/logging.h"
@@ skipping 73 matching lines @@
         this, chrome::NOTIFICATION_BROWSER_OPENED,
         content::NotificationService::AllBrowserContextsAndSources());
     registrar_.Add(
         this, chrome::NOTIFICATION_CLOSE_ALL_BROWSERS_REQUEST,
         content::NotificationService::AllBrowserContextsAndSources());
     registrar_.Add(
         this, chrome::NOTIFICATION_BROWSER_CLOSE_CANCELLED,
         content::NotificationService::AllBrowserContextsAndSources());
   }
 
-  virtual ~AppShimHandlerRegistry() {}
+  ~AppShimHandlerRegistry() override {}
 
   // content::NotificationObserver override:
-  virtual void Observe(
-      int type,
-      const content::NotificationSource& source,
-      const content::NotificationDetails& details) override {
+  void Observe(int type,
+               const content::NotificationSource& source,
+               const content::NotificationDetails& details) override {
     switch (type) {
       case chrome::NOTIFICATION_BROWSER_OPENED:
       case chrome::NOTIFICATION_BROWSER_CLOSE_CANCELLED:
         browser_session_running_ = true;
         break;
       case chrome::NOTIFICATION_CLOSE_ALL_BROWSERS_REQUEST:
         browser_session_running_ = false;
         break;
       default:
         NOTREACHED();
@@ skipping 36 matching lines @@
 void AppShimHandler::MaybeTerminate() {
   AppShimHandlerRegistry::GetInstance()->MaybeTerminate();
 }
 
 // static
 bool AppShimHandler::ShouldRestoreSession() {
   return AppShimHandlerRegistry::GetInstance()->ShouldRestoreSession();
 }
 
 }  // namespace apps