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

chrome/browser/sessions/persistent_tab_restore_service.h

 // 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.
 
 #ifndef CHROME_BROWSER_SESSIONS_PERSISTENT_TAB_RESTORE_SERVICE_H_
 #define CHROME_BROWSER_SESSIONS_PERSISTENT_TAB_RESTORE_SERVICE_H_
 
 #include <vector>
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "base/memory/scoped_ptr.h"
 #include "chrome/browser/sessions/tab_restore_service.h"
 #include "chrome/browser/sessions/tab_restore_service_helper.h"
 
 class Profile;
 
 // Tab restore service that persists data on disk.
 class PersistentTabRestoreService : public TabRestoreService {
  public:
   // Does not take ownership of |time_factory|.
   PersistentTabRestoreService(Profile* profile,
                               TimeFactory* time_factory);
 
-  virtual ~PersistentTabRestoreService();
+  ~PersistentTabRestoreService() override;
 
   // TabRestoreService:
-  virtual void AddObserver(TabRestoreServiceObserver* observer) override;
-  virtual void RemoveObserver(TabRestoreServiceObserver* observer) override;
-  virtual void CreateHistoricalTab(content::WebContents* contents,
-                                   int index) override;
-  virtual void BrowserClosing(TabRestoreServiceDelegate* delegate) override;
-  virtual void BrowserClosed(TabRestoreServiceDelegate* delegate) override;
-  virtual void ClearEntries() override;
-  virtual const Entries& entries() const override;
-  virtual std::vector<content::WebContents*> RestoreMostRecentEntry(
+  void AddObserver(TabRestoreServiceObserver* observer) override;
+  void RemoveObserver(TabRestoreServiceObserver* observer) override;
+  void CreateHistoricalTab(content::WebContents* contents, int index) override;
+  void BrowserClosing(TabRestoreServiceDelegate* delegate) override;
+  void BrowserClosed(TabRestoreServiceDelegate* delegate) override;
+  void ClearEntries() override;
+  const Entries& entries() const override;
+  std::vector<content::WebContents*> RestoreMostRecentEntry(
       TabRestoreServiceDelegate* delegate,
       chrome::HostDesktopType host_desktop_type) override;
-  virtual Tab* RemoveTabEntryById(SessionID::id_type id) override;
-  virtual std::vector<content::WebContents*> RestoreEntryById(
+  Tab* RemoveTabEntryById(SessionID::id_type id) override;
+  std::vector<content::WebContents*> RestoreEntryById(
       TabRestoreServiceDelegate* delegate,
       SessionID::id_type id,
       chrome::HostDesktopType host_desktop_type,
       WindowOpenDisposition disposition) override;
-  virtual void LoadTabsFromLastSession() override;
-  virtual bool IsLoaded() const override;
-  virtual void DeleteLastSession() override;
-  virtual void Shutdown() override;
+  void LoadTabsFromLastSession() override;
+  bool IsLoaded() const override;
+  void DeleteLastSession() override;
+  void Shutdown() override;
 
  private:
   friend class PersistentTabRestoreServiceTest;
 
   class Delegate;
 
   // Exposed for testing.
   Entries* mutable_entries();
   void PruneEntries();
 
   scoped_ptr<Delegate> delegate_;
   TabRestoreServiceHelper helper_;
 
   DISALLOW_COPY_AND_ASSIGN(PersistentTabRestoreService);
 };
 
 #endif  // CHROME_BROWSER_SESSIONS_PERSISTENT_TAB_RESTORE_SERVICE_H_