Add a basic demo mode browser test.

chrome/browser/chromeos/login/mock_authenticator.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_authenticator.h"
 
 #include "base/bind.h"
 #include "chrome/browser/chromeos/login/user.h"
 #include "content/public/browser/browser_thread.h"
 
@@ skipping 43 matching lines @@
                                                   "demo-mode"));
 }
 
 void MockAuthenticator::LoginAsPublicAccount(const std::string& username) {
   consumer_->OnLoginSuccess(UserContext(expected_username_,
                                         std::string(),
                                         std::string(),
                                         expected_username_));
 }
 
-void MockAuthenticator::LoginAsKioskAccount(
-    const std::string& app_user_id, bool force_ephemeral) {
+void MockAuthenticator::LoginAsKioskAccount(const std::string& app_user_id,
+                                            bool force_guest) {
   consumer_->OnLoginSuccess(UserContext(expected_username_,
                                         std::string(),
                                         std::string(),
                                         expected_username_));
 }
 
 void MockAuthenticator::LoginOffTheRecord() {
   consumer_->OnOffTheRecordLoginSuccess();
 }
 
@@ skipping 18 matching lines @@
 }
 
 void MockAuthenticator::SetExpectedCredentials(
     const std::string& expected_username,
     const std::string& expected_password) {
   expected_username_ = expected_username;
   expected_password_ = expected_password;
 }
 
 }  // namespace chromeos