Standardize usage of virtual/override/final specifiers.

chrome/browser/ui/views/frame/global_menu_bar_x11.h

 // 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.
 
 #ifndef CHROME_BROWSER_UI_VIEWS_FRAME_GLOBAL_MENU_BAR_X11_H_
 #define CHROME_BROWSER_UI_VIEWS_FRAME_GLOBAL_MENU_BAR_X11_H_
 
 #include <map>
 #include <string>
 
@@ skipping 40 matching lines @@
 // opportunistically dlopen() since not everyone is running Ubuntu.
 class GlobalMenuBarX11 : public AvatarMenuObserver,
                          public chrome::BrowserListObserver,
                          public CommandObserver,
                          public content::NotificationObserver,
                          public TabRestoreServiceObserver,
                          public views::DesktopWindowTreeHostObserverX11 {
  public:
   GlobalMenuBarX11(BrowserView* browser_view,
                    BrowserDesktopWindowTreeHostX11* host);
-  virtual ~GlobalMenuBarX11();
+  ~GlobalMenuBarX11() override;
 
   // Creates the object path for DbusemenuServer which is attached to |xid|.
   static std::string GetPathForWindow(unsigned long xid);
 
  private:
   struct HistoryItem;
   typedef std::map<int, DbusmenuMenuitem*> CommandIDMenuItemMap;
 
   // Builds a separator.
   DbusmenuMenuitem* BuildSeparator();
@@ skipping 43 matching lines @@
 
   // This will remove all menu items in |menu| with |tag| as their tag. This
   // clears state about HistoryItems* that we keep to prevent that data from
   // going stale. That's why this method recurses into its child menus.
   void ClearMenuSection(DbusmenuMenuitem* menu, int tag_id);
 
   // Deleter function for HistoryItem implementation detail.
   static void DeleteHistoryItem(void* void_item);
 
   // Overridden from AvatarMenuObserver:
-  virtual void OnAvatarMenuChanged(AvatarMenu* avatar_menu) override;
+  void OnAvatarMenuChanged(AvatarMenu* avatar_menu) override;
 
   // Overridden from chrome::BrowserListObserver:
-  virtual void OnBrowserSetLastActive(Browser* browser) override;
+  void OnBrowserSetLastActive(Browser* browser) override;
 
   // Overridden from CommandObserver:
-  virtual void EnabledStateChangedForCommand(int id, bool enabled) override;
+  void EnabledStateChangedForCommand(int id, bool enabled) override;
 
   // Overridden from content::NotificationObserver:
-  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;
 
   // Overridden from TabRestoreServiceObserver:
-  virtual void TabRestoreServiceChanged(TabRestoreService* service) override;
-  virtual void TabRestoreServiceDestroyed(TabRestoreService* service) override;
+  void TabRestoreServiceChanged(TabRestoreService* service) override;
+  void TabRestoreServiceDestroyed(TabRestoreService* service) override;
 
   // Overridden from views::DesktopWindowTreeHostObserverX11:
-  virtual void OnWindowMapped(unsigned long xid) override;
-  virtual void OnWindowUnmapped(unsigned long xid) override;
+  void OnWindowMapped(unsigned long xid) override;
+  void OnWindowUnmapped(unsigned long xid) override;
 
   CHROMEG_CALLBACK_1(GlobalMenuBarX11, void, OnItemActivated, DbusmenuMenuitem*,
                      unsigned int);
   CHROMEG_CALLBACK_1(GlobalMenuBarX11, void, OnHistoryItemActivated,
                      DbusmenuMenuitem*, unsigned int);
   CHROMEG_CALLBACK_0(GlobalMenuBarX11, void, OnHistoryMenuAboutToShow,
                      DbusmenuMenuitem*);
   CHROMEG_CALLBACK_1(GlobalMenuBarX11, void, OnProfileItemActivated,
                      DbusmenuMenuitem*, unsigned int);
   CHROMEG_CALLBACK_1(GlobalMenuBarX11, void, OnEditProfileItemActivated,
@@ skipping 26 matching lines @@
 
   content::NotificationRegistrar registrar_;
 
   // For callbacks may be run after destruction.
   base::WeakPtrFactory<GlobalMenuBarX11> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(GlobalMenuBarX11);
 };
 
 #endif  // CHROME_BROWSER_UI_VIEWS_FRAME_GLOBAL_MENU_BAR_X11_H_