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

chrome/browser/ui/cocoa/status_icons/status_icon_mac.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_UI_COCOA_STATUS_ICONS_STATUS_ICON_MAC_H_
 #define CHROME_BROWSER_UI_COCOA_STATUS_ICONS_STATUS_ICON_MAC_H_
 
 #import <Cocoa/Cocoa.h>
 
 #include "base/compiler_specific.h"
 #include "base/gtest_prod_util.h"
 #include "base/mac/scoped_nsobject.h"
 #include "base/strings/string16.h"
 #include "chrome/browser/status_icons/desktop_notification_balloon.h"
 #include "chrome/browser/status_icons/status_icon.h"
 
 @class MenuController;
 @class NSStatusItem;
 @class StatusItemController;
 
 class StatusIconMac : public StatusIcon {
  public:
   StatusIconMac();
-  virtual ~StatusIconMac();
+  ~StatusIconMac() override;
 
   // Overridden from StatusIcon.
-  virtual void SetImage(const gfx::ImageSkia& image) override;
-  virtual void SetToolTip(const base::string16& tool_tip) override;
-  virtual void DisplayBalloon(const gfx::ImageSkia& icon,
-                              const base::string16& title,
-                              const base::string16& contents) override;
+  void SetImage(const gfx::ImageSkia& image) override;
+  void SetToolTip(const base::string16& tool_tip) override;
+  void DisplayBalloon(const gfx::ImageSkia& icon,
+                      const base::string16& title,
+                      const base::string16& contents) override;
 
   bool HasStatusIconMenu();
 
  protected:
   // Overridden from StatusIcon.
-  virtual void UpdatePlatformContextMenu(
-      StatusIconMenuModel* model) override;
+  void UpdatePlatformContextMenu(StatusIconMenuModel* model) override;
 
  private:
   FRIEND_TEST_ALL_PREFIXES(StatusIconMacTest, CreateMenu);
   FRIEND_TEST_ALL_PREFIXES(StatusIconMacTest, MenuToolTip);
 
   void SetToolTip(NSString* toolTip);
   void CreateMenu(ui::MenuModel* model, NSString* toolTip);
 
   // Getter for item_ that allows lazy initialization.
   NSStatusItem* item();
   base::scoped_nsobject<NSStatusItem> item_;
 
   base::scoped_nsobject<StatusItemController> controller_;
 
   // Notification balloon.
   DesktopNotificationBalloon notification_;
 
   base::scoped_nsobject<NSString> toolTip_;
 
   // Status menu shown when right-clicking the system icon, if it has been
   // created by |UpdatePlatformContextMenu|.
   base::scoped_nsobject<MenuController> menu_;
 
   DISALLOW_COPY_AND_ASSIGN(StatusIconMac);
 };
 
 #endif // CHROME_BROWSER_UI_COCOA_STATUS_ICONS_STATUS_ICON_MAC_H_