[cros] Cleanup: remove LoginUtils

chrome/browser/chromeos/login/mock_login_utils.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/chromeos/login/mock_login_utils.h"
-
-#include "chromeos/login/auth/user_context.h"
-
-using namespace testing;
-
-namespace chromeos {
-
-MockLoginUtils::MockLoginUtils() {}
-
-MockLoginUtils::~MockLoginUtils() {}
-
-void MockLoginUtils::DelegateToFake() {
-  if (fake_login_utils_.get())
-    return;
-  fake_login_utils_.reset(new FakeLoginUtils());
-  FakeLoginUtils* fake = fake_login_utils_.get();
-  ON_CALL(*this, DoBrowserLaunch(_, _))
-      .WillByDefault(Invoke(fake, &FakeLoginUtils::DoBrowserLaunch));
-  ON_CALL(*this, PrepareProfile(_, _, _, _))
-      .WillByDefault(Invoke(fake, &FakeLoginUtils::PrepareProfile));
-  ON_CALL(*this, CreateAuthenticator(_))
-      .WillByDefault(Invoke(fake, &FakeLoginUtils::CreateAuthenticator));
-}
-
-FakeLoginUtils* MockLoginUtils::GetFakeLoginUtils() {
-  return fake_login_utils_.get();
-}
-
-}  // namespace chromeos