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

chrome/browser/sync/sync_global_error_unittest.cc

 // 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.
 
 #include "chrome/browser/sync/sync_global_error.h"
 
 #include "chrome/browser/chrome_notification_types.h"
 #include "chrome/browser/sync/profile_sync_service_mock.h"
 #include "chrome/browser/sync/sync_error_controller.h"
 #include "chrome/browser/sync/sync_global_error_factory.h"
@@ skipping 17 matching lines @@
 
 class FakeLoginUIService: public LoginUIService {
  public:
   FakeLoginUIService() : LoginUIService(NULL) {}
 };
 
 class FakeLoginUI : public LoginUIService::LoginUI {
  public:
   FakeLoginUI() : focus_ui_call_count_(0) {}
 
-  virtual ~FakeLoginUI() {}
+  ~FakeLoginUI() override {}
 
   int focus_ui_call_count() const { return focus_ui_call_count_; }
 
  private:
   // Overridden from LoginUIService::LoginUI:
-  virtual void FocusUI() override {
-    ++focus_ui_call_count_;
-  }
-  virtual void CloseUI() override {}
+  void FocusUI() override { ++focus_ui_call_count_; }
+  void CloseUI() override {}
 
   int focus_ui_call_count_;
 };
 
 KeyedService* BuildMockLoginUIService(content::BrowserContext* profile) {
   return new FakeLoginUIService();
 }
 
 // Same as BrowserWithTestWindowTest, but uses MockBrowser to test calls to
 // ExecuteCommand method.
@@ skipping 101 matching lines @@
               .WillRepeatedly(Return(true));
   EXPECT_CALL(service, IsPassphraseRequiredForDecryption())
               .WillRepeatedly(Return(true));
   VerifySyncGlobalErrorResult(
       &service, login_ui_service, browser(), &error, &global_error,
       GoogleServiceAuthError::INVALID_GAIA_CREDENTIALS,
       false /* not signed in */, false /* no error */);
 
   global_error.Shutdown();
 }