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

chrome/browser/ui/browser_tab_restorer.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 "base/metrics/user_metrics_action.h"
 #include "base/supports_user_data.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/sessions/tab_restore_service.h"
 #include "chrome/browser/sessions/tab_restore_service_factory.h"
 #include "chrome/browser/sessions/tab_restore_service_observer.h"
@@ skipping 11 matching lines @@
 
 // BrowserTabRestorer is responsible for restoring a tab when the
 // TabRestoreService finishes loading. A TabRestoreService is associated with a
 // single Browser and deletes itself if the Browser is destroyed.
 // BrowserTabRestorer is installed on the Profile (by way of user data), only
 // one instance is created per profile at a time.
 class BrowserTabRestorer : public TabRestoreServiceObserver,
                            public chrome::BrowserListObserver,
                            public base::SupportsUserData::Data {
  public:
-  virtual ~BrowserTabRestorer();
+  ~BrowserTabRestorer() override;
 
   static void CreateIfNecessary(Browser* browser);
 
  private:
   explicit BrowserTabRestorer(Browser* browser);
 
   // TabRestoreServiceObserver:
-  virtual void TabRestoreServiceChanged(TabRestoreService* service) override;
-  virtual void TabRestoreServiceDestroyed(TabRestoreService* service) override;
-  virtual void TabRestoreServiceLoaded(TabRestoreService* service) override;
+  void TabRestoreServiceChanged(TabRestoreService* service) override;
+  void TabRestoreServiceDestroyed(TabRestoreService* service) override;
+  void TabRestoreServiceLoaded(TabRestoreService* service) override;
 
   // BrowserListObserver:
-  virtual void OnBrowserRemoved(Browser* browser) override;
+  void OnBrowserRemoved(Browser* browser) override;
 
   Browser* browser_;
   TabRestoreService* tab_restore_service_;
 
   DISALLOW_COPY_AND_ASSIGN(BrowserTabRestorer);
 };
 
 BrowserTabRestorer::~BrowserTabRestorer() {
   tab_restore_service_->RemoveObserver(this);
   BrowserList::GetInstance(browser_->host_desktop_type())->RemoveObserver(this);
@@ skipping 51 matching lines @@
   if (service->IsLoaded()) {
     service->RestoreMostRecentEntry(browser->tab_restore_service_delegate(),
                                     browser->host_desktop_type());
     return;
   }
 
   BrowserTabRestorer::CreateIfNecessary(browser);
 }
 
 }  // namespace chrome