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

chrome/browser/ui/cocoa/profiles/profile_signin_confirmation_view_controller_browsertest.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_signin_confirmation_view_controller.h"
 
 #import <Cocoa/Cocoa.h>
 
 #include "base/mac/scoped_nsobject.h"
 #include "base/strings/sys_string_conversions.h"
@@ skipping 13 matching lines @@
  public:
   ProfileSigninConfirmationViewControllerTest()
     : window_(nil),
       continued_(false),
       cancelled_(false),
       created_(false),
       closed_(false) {
   }
 
  protected:
-  virtual void SetUpOnMainThread() override {
-  }
+  void SetUpOnMainThread() override {}
 
   void SetupDialog(bool offerProfileCreation = true) {
     window_.reset(
         [[NSWindow alloc] initWithContentRect:NSMakeRect(0, 0, 400, 600)
                                     styleMask:NSBorderlessWindowMask
                                       backing:NSBackingStoreBuffered
                                         defer:NO]);
     base::Closure close = base::Bind(
         &ProfileSigninConfirmationViewControllerTest::OnClose, this);
     controller_.reset([[ProfileSigninConfirmationViewController alloc]
@@ skipping 10 matching lines @@
   // Test helpers.
   std::string username() {
     return "foo@bar.com";
   }
   base::string16 learn_more() {
     return l10n_util::GetStringUTF16(
         IDS_ENTERPRISE_SIGNIN_PROFILE_LINK_LEARN_MORE);
   }
 
   // ui::ProfileSigninConfirmationDelegate:
-  virtual void OnContinueSignin() override { continued_ = true; }
-  virtual void OnCancelSignin() override { cancelled_ = true; }
-  virtual void OnSigninWithNewProfile() override { created_ = true; }
+  void OnContinueSignin() override { continued_ = true; }
+  void OnCancelSignin() override { cancelled_ = true; }
+  void OnSigninWithNewProfile() override { created_ = true; }
   void OnClose() { closed_ = true; }
 
   // The window containing the dialog.
   base::scoped_nsobject<NSWindow> window_;
 
   // Dialog under test.
   base::scoped_nsobject<ProfileSigninConfirmationViewController> controller_;
 
   // Visible for testing UI interactions.
   bool continued_;
@@ skipping 98 matching lines @@
   EXPECT_NSNE(nil, [controller_ createProfileButton]);
   EXPECT_TRUE([[[controller_ view] subviews]
                 containsObject:[controller_ createProfileButton]]);
   NSString* explanationWithCreateProfile = base::SysUTF16ToNSString(
       l10n_util::GetStringFUTF16(
           IDS_ENTERPRISE_SIGNIN_EXPLANATION_WITH_PROFILE_CREATION_NEW_STYLE,
           base::UTF8ToUTF16(username()), learn_more()));
   EXPECT_NSEQ(explanationWithCreateProfile,
               [[[controller_ explanationField] textStorage] string]);
 }