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

chrome/browser/status_icons/status_icon_menu_model.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_STATUS_ICONS_STATUS_ICON_MENU_MODEL_H_
 #define CHROME_BROWSER_STATUS_ICONS_STATUS_ICON_MENU_MODEL_H_
 
 #include <map>
 
 #include "base/memory/weak_ptr.h"
@@ skipping 35 matching lines @@
    public:
     // Invoked when the menu model has changed.
     virtual void OnMenuStateChanged() {}
 
    protected:
     virtual ~Observer() {}
   };
 
   // The Delegate can be NULL.
   explicit StatusIconMenuModel(Delegate* delegate);
-  virtual ~StatusIconMenuModel();
+  ~StatusIconMenuModel() override;
 
   // Methods for seting the state of specific command ids.
   void SetCommandIdChecked(int command_id, bool checked);
   void SetCommandIdEnabled(int command_id, bool enabled);
   void SetCommandIdVisible(int command_id, bool visible);
 
   // Sets the accelerator for the specified command id.
   void SetAcceleratorForCommandId(
       int command_id, const ui::Accelerator* accelerator);
 
   // Calling any of these "change" methods will mark the menu item as "dynamic"
   // (see menu_model.h:IsItemDynamicAt) which many platforms take as a cue to
   // refresh the label, sublabel and icon of the menu item each time the menu is
   // shown.
   void ChangeLabelForCommandId(int command_id, const base::string16& label);
   void ChangeSublabelForCommandId(
       int command_id, const base::string16& sublabel);
   void ChangeIconForCommandId(int command_id, const gfx::Image& icon);
 
   void AddObserver(Observer* observer);
   void RemoveObserver(Observer* observer);
 
   // Overridden from ui::SimpleMenuModel::Delegate:
-  virtual bool IsCommandIdChecked(int command_id) const override;
-  virtual bool IsCommandIdEnabled(int command_id) const override;
-  virtual bool IsCommandIdVisible(int command_id) const override;
-  virtual bool GetAcceleratorForCommandId(
-      int command_id, ui::Accelerator* accelerator) override;
-  virtual bool IsItemForCommandIdDynamic(int command_id) const override;
-  virtual base::string16 GetLabelForCommandId(int command_id) const override;
-  virtual base::string16 GetSublabelForCommandId(int command_id) const override;
-  virtual bool GetIconForCommandId(int command_id, gfx::Image* icon) const
-      override;
+  bool IsCommandIdChecked(int command_id) const override;
+  bool IsCommandIdEnabled(int command_id) const override;
+  bool IsCommandIdVisible(int command_id) const override;
+  bool GetAcceleratorForCommandId(int command_id,
+                                  ui::Accelerator* accelerator) override;
+  bool IsItemForCommandIdDynamic(int command_id) const override;
+  base::string16 GetLabelForCommandId(int command_id) const override;
+  base::string16 GetSublabelForCommandId(int command_id) const override;
+  bool GetIconForCommandId(int command_id, gfx::Image* icon) const override;
 
  protected:
   // Overriden from ui::SimpleMenuModel:
-  virtual void MenuItemsChanged() override;
+  void MenuItemsChanged() override;
 
   void NotifyMenuStateChanged();
 
   void set_delegate(Delegate* delegate) { delegate_ = delegate; }
   Delegate* delegate() { return delegate_; }
 
  private:
   // Overridden from ui::SimpleMenuModel::Delegate:
-  virtual void CommandIdHighlighted(int command_id) override;
-  virtual void ExecuteCommand(int command_id, int event_flags) override;
+  void CommandIdHighlighted(int command_id) override;
+  void ExecuteCommand(int command_id, int event_flags) override;
 
   struct ItemState;
 
   // Map the properties to the command id (used as key).
   typedef std::map<int, ItemState> ItemStateMap;
 
   ItemStateMap item_states_;
 
   ObserverList<Observer> observer_list_;
 
   Delegate* delegate_;
 
   DISALLOW_COPY_AND_ASSIGN(StatusIconMenuModel);
 };
 
 #endif  // CHROME_BROWSER_STATUS_ICONS_STATUS_ICON_MENU_MODEL_H_