Update {virtual,override,final} to follow C++11 style in chrome/browser/chromeos/app_mode.

chrome/browser/chromeos/app_mode/app_session_lifetime.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/chromeos/app_mode/app_session_lifetime.h"
 
 #include "base/basictypes.h"
 #include "base/bind.h"
 #include "base/lazy_instance.h"
 #include "base/message_loop/message_loop.h"
@@ skipping 24 matching lines @@
 
 namespace chromeos {
 
 namespace {
 
 // AppWindowHandler watches for app window and exits the session when the
 // last app window is closed.
 class AppWindowHandler : public AppWindowRegistry::Observer {
  public:
   AppWindowHandler() : window_registry_(NULL) {}
-  virtual ~AppWindowHandler() {}
+  ~AppWindowHandler() override {}
 
   void Init(Profile* profile) {
     DCHECK(!window_registry_);
     window_registry_ = AppWindowRegistry::Get(profile);
     if (window_registry_)
       window_registry_->AddObserver(this);
   }
 
  private:
   // extensions::AppWindowRegistry::Observer overrides:
-  virtual void OnAppWindowRemoved(AppWindow* app_window) override {
+  void OnAppWindowRemoved(AppWindow* app_window) override {
     if (window_registry_->app_windows().empty()) {
       if (DemoAppLauncher::IsDemoAppSession(
               user_manager::UserManager::Get()->GetActiveUser()->email())) {
         // If we were in demo mode, we disabled all our network technologies,
         // re-enable them.
         NetworkStateHandler* handler =
             NetworkHandler::Get()->network_state_handler();
         handler->SetTechnologyEnabled(
             NetworkTypePattern::NonVirtual(),
             true,
@@ skipping 13 matching lines @@
     = LAZY_INSTANCE_INITIALIZER;
 
 // BrowserWindowHandler monitors Browser object being created during
 // a kiosk session, log info such as URL so that the code path could be
 // fixed and closes the just opened browser window.
 class BrowserWindowHandler : public chrome::BrowserListObserver {
  public:
   BrowserWindowHandler() {
     BrowserList::AddObserver(this);
   }
-  virtual ~BrowserWindowHandler() {
-    BrowserList::RemoveObserver(this);
-  }
+  ~BrowserWindowHandler() override { BrowserList::RemoveObserver(this); }
 
  private:
   void HandleBrowser(Browser* browser) {
     content::WebContents* active_tab =
         browser->tab_strip_model()->GetActiveWebContents();
     std::string url_string =
         active_tab ? active_tab->GetURL().spec() : std::string();
     LOG(WARNING) << "Browser opened in kiosk session"
                  << ", url=" << url_string;
 
     browser->window()->Close();
   }
 
   // chrome::BrowserListObserver overrides:
-  virtual void OnBrowserAdded(Browser* browser) override {
+  void OnBrowserAdded(Browser* browser) override {
     base::MessageLoop::current()->PostTask(
         FROM_HERE,
         base::Bind(&BrowserWindowHandler::HandleBrowser,
                    base::Unretained(this),  // LazyInstance, always valid
                    browser));
   }
 
   DISALLOW_COPY_AND_ASSIGN(BrowserWindowHandler);
 };
 
@@ skipping 32 matching lines @@
   policy::BrowserPolicyConnectorChromeOS* connector =
       g_browser_process->platform_part()->browser_policy_connector_chromeos();
   if (!connector->IsEnterpriseManaged()) {
     PrefService* local_state = g_browser_process->local_state();
     local_state->SetBoolean(prefs::kRebootAfterUpdate, true);
     KioskModeIdleAppNameNotification::Initialize();
   }
 }
 
 }  // namespace chromeos