Update {virtual,override,final} to follow C++11 style in chrome/browser/chromeos/login.

chrome/browser/chromeos/login/auth/cryptohome_authenticator_unittest.cc

 // 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.
 
 #include "chrome/browser/chromeos/login/auth/chrome_cryptohome_authenticator.h"
 
 #include <string>
 #include <vector>
 
 #include "base/basictypes.h"
@@ skipping 133 matching lines @@
         user_manager_->AddUser(user_context_.GetUserID());
     profile_.set_profile_name(user_context_.GetUserID());
 
     ProfileHelper::Get()->SetUserToProfileMappingForTesting(user, &profile_);
 
     CreateTransformedKey(Key::KEY_TYPE_SALTED_SHA256_TOP_HALF,
                          SystemSaltGetter::ConvertRawSaltToHexString(
                              FakeCryptohomeClient::GetStubSystemSalt()));
   }
 
-  virtual ~CryptohomeAuthenticatorTest() {}
+  ~CryptohomeAuthenticatorTest() override {}
 
-  virtual void SetUp() {
+  void SetUp() override {
     base::CommandLine::ForCurrentProcess()->AppendSwitch(
         switches::kLoginManager);
 
     mock_caller_ = new cryptohome::MockAsyncMethodCaller;
     cryptohome::AsyncMethodCaller::InitializeForTesting(mock_caller_);
     mock_homedir_methods_ = new cryptohome::MockHomedirMethods;
     mock_homedir_methods_->SetUp(true, cryptohome::MOUNT_ERROR_NONE);
     cryptohome::HomedirMethods::InitializeForTesting(mock_homedir_methods_);
 
     fake_cryptohome_client_ = new FakeCryptohomeClient;
     chromeos::DBusThreadManager::GetSetterForTesting()->SetCryptohomeClient(
         scoped_ptr<CryptohomeClient>(fake_cryptohome_client_));
 
     SystemSaltGetter::Initialize();
 
     auth_ = new ChromeCryptohomeAuthenticator(&consumer_);
     state_.reset(new TestAttemptState(user_context_, false));
   }
 
   // Tears down the test fixture.
-  virtual void TearDown() {
+  void TearDown() override {
     SystemSaltGetter::Shutdown();
     DBusThreadManager::Shutdown();
 
     cryptohome::AsyncMethodCaller::Shutdown();
     mock_caller_ = NULL;
     cryptohome::HomedirMethods::Shutdown();
     mock_homedir_methods_ = NULL;
   }
 
   void CreateTransformedKey(Key::KeyType type, const std::string& salt) {
@@ skipping 602 matching lines @@
   // salt.
   ExpectGetKeyDataExCall(
       make_scoped_ptr(new int64(Key::KEY_TYPE_SALTED_SHA256)),
       scoped_ptr<std::string>());
 
   auth_->AuthenticateToLogin(NULL, user_context_);
   base::RunLoop().Run();
 }
 
 }  // namespace chromeos