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

chrome/browser/ui/cocoa/ssl_client_certificate_selector_cocoa.mm

 // 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.
 
 #import "chrome/browser/ui/cocoa/ssl_client_certificate_selector_cocoa.h"
 
 #import <SecurityInterface/SFChooseIdentityPanel.h>
 
 #include "base/logging.h"
 #include "base/mac/foundation_util.h"
@@ skipping 31 matching lines @@
   SSLClientAuthObserverCocoaBridge(
       const content::BrowserContext* browser_context,
       net::SSLCertRequestInfo* cert_request_info,
       const chrome::SelectCertificateCallback& callback,
       SSLClientCertificateSelectorCocoa* controller)
       : SSLClientAuthObserver(browser_context, cert_request_info, callback),
         controller_(controller) {
   }
 
   // SSLClientAuthObserver implementation:
-  virtual void OnCertSelectedByNotification() override {
+  void OnCertSelectedByNotification() override {
     [controller_ closeWebContentsModalDialog];
   }
 
   // ConstrainedWindowMacDelegate implementation:
-  virtual void OnConstrainedWindowClosed(
-      ConstrainedWindowMac* window) override {
+  void OnConstrainedWindowClosed(ConstrainedWindowMac* window) override {
     // |onConstrainedWindowClosed| will delete the sheet which might be still
     // in use higher up the call stack. Wait for the next cycle of the event
     // loop to call this function.
     [controller_ performSelector:@selector(onConstrainedWindowClosed)
                       withObject:nil
                       afterDelay:0];
   }
 
  private:
   SSLClientCertificateSelectorCocoa* controller_;  // weak
@@ skipping 160 matching lines @@
 }
 
 - (void)onConstrainedWindowClosed {
   observer_->StopObserving();
   panel_.reset();
   constrainedWindow_.reset();
   [self release];
 }
 
 @end