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

chrome/browser/ui/cocoa/profiles/profile_menu_controller.mm

 // 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.
 
 #import "chrome/browser/ui/cocoa/profiles/profile_menu_controller.h"
 
 #include "base/mac/scoped_nsobject.h"
 #include "base/strings/sys_string_conversions.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/profiles/avatar_menu.h"
@@ skipping 19 matching lines @@
 
 namespace ProfileMenuControllerInternal {
 
 class Observer : public chrome::BrowserListObserver,
                  public AvatarMenuObserver {
  public:
   Observer(ProfileMenuController* controller) : controller_(controller) {
     BrowserList::AddObserver(this);
   }
 
-  virtual ~Observer() {
-    BrowserList::RemoveObserver(this);
-  }
+  ~Observer() override { BrowserList::RemoveObserver(this); }
 
   // chrome::BrowserListObserver:
-  virtual void OnBrowserAdded(Browser* browser) override {}
-  virtual void OnBrowserRemoved(Browser* browser) override {
+  void OnBrowserAdded(Browser* browser) override {}
+  void OnBrowserRemoved(Browser* browser) override {
     [controller_ activeBrowserChangedTo:chrome::GetLastActiveBrowser()];
   }
-  virtual void OnBrowserSetLastActive(Browser* browser) override {
+  void OnBrowserSetLastActive(Browser* browser) override {
     [controller_ activeBrowserChangedTo:browser];
   }
 
   // AvatarMenuObserver:
-  virtual void OnAvatarMenuChanged(AvatarMenu* menu) override {
+  void OnAvatarMenuChanged(AvatarMenu* menu) override {
     [controller_ rebuildMenu];
   }
 
  private:
   ProfileMenuController* controller_;  // Weak; owns this.
 };
 
 }  // namespace ProfileMenuControllerInternal
 
 ////////////////////////////////////////////////////////////////////////////////
@@ skipping 187 matching lines @@
 }
 
 - (NSMenuItem*)createItemWithTitle:(NSString*)title action:(SEL)sel {
   base::scoped_nsobject<NSMenuItem> item(
       [[NSMenuItem alloc] initWithTitle:title action:sel keyEquivalent:@""]);
   [item setTarget:self];
   return [item.release() autorelease];
 }
 
 @end