Add a basic demo mode browser test.

chrome/browser/chromeos/login/mock_authenticator.h

 // 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.
 
 #ifndef CHROME_BROWSER_CHROMEOS_LOGIN_MOCK_AUTHENTICATOR_H_
 #define CHROME_BROWSER_CHROMEOS_LOGIN_MOCK_AUTHENTICATOR_H_
 
 #include <string>
 
 #include "chrome/browser/chromeos/login/authenticator.h"
@@ skipping 20 matching lines @@
 
   virtual void AuthenticateToLogin(Profile* profile,
                                    const UserContext& user_context) OVERRIDE;
 
   virtual void AuthenticateToUnlock(const UserContext& user_context) OVERRIDE;
 
   virtual void LoginAsLocallyManagedUser(
       const UserContext& user_context) OVERRIDE;
   virtual void LoginRetailMode() OVERRIDE;
   virtual void LoginAsPublicAccount(const std::string& username) OVERRIDE;
-  virtual void LoginAsKioskAccount(
-      const std::string& app_user_id, bool force_ephemeral) OVERRIDE;
+  virtual void LoginAsKioskAccount(const std::string& app_user_id,
+                                   bool use_guest_mount) OVERRIDE;
   virtual void LoginOffTheRecord() OVERRIDE;
 
   virtual void OnRetailModeLoginSuccess() OVERRIDE;
 
   virtual void OnLoginSuccess() OVERRIDE;
 
   virtual void OnLoginFailure(const LoginFailure& failure) OVERRIDE;
 
   virtual void RecoverEncryptedData(
       const std::string& old_password) OVERRIDE {}
 
   virtual void ResyncEncryptedData() OVERRIDE {}
 
   virtual void SetExpectedCredentials(const std::string& expected_username,
                                       const std::string& expected_password);
 
  protected:
   virtual ~MockAuthenticator() {}
 
  private:
   std::string expected_username_;
   std::string expected_password_;
 
   DISALLOW_COPY_AND_ASSIGN(MockAuthenticator);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_LOGIN_MOCK_AUTHENTICATOR_H_