Add kiosk browser tests for network configuration.

chrome/browser/chromeos/login/app_launch_signin_screen.h

 // Copyright 2013 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_APP_LAUNCH_SIGNIN_SCREEN_H_
 #define CHROME_BROWSER_CHROMEOS_LOGIN_APP_LAUNCH_SIGNIN_SCREEN_H_
 
 #include <string>
 
 #include "base/memory/ref_counted.h"
@@ skipping 24 matching lines @@
 
    protected:
     virtual ~Delegate() {}
   };
 
   AppLaunchSigninScreen(OobeUI* oobe_display, Delegate *delegate);
   virtual ~AppLaunchSigninScreen();
 
   void Show();
 
+  void set_user_manager_for_testing(UserManager* user_manager) {
+    user_manager_for_testing_ = user_manager;
+  }
+
  private:
   void InitOwnerUserList();
+  UserManager* GetUserManager();
 
   // SigninScreenHandlerDelegate implementation:
   virtual void CancelPasswordChangedFlow() OVERRIDE;
   virtual void CancelUserAdding() OVERRIDE;
   virtual void CreateAccount() OVERRIDE;
   virtual void CompleteLogin(const UserContext& user_context) OVERRIDE;
   virtual void Login(const UserContext& user_context) OVERRIDE;
   virtual void LoginAsRetailModeUser() OVERRIDE;
   virtual void LoginAsGuest() OVERRIDE;
   virtual void MigrateUserData(const std::string& old_password) OVERRIDE;
@@ skipping 29 matching lines @@
                               bool using_oauth) OVERRIDE;
 
   OobeUI* oobe_ui_;
   Delegate* delegate_;
   LoginDisplayWebUIHandler* webui_handler_;
   scoped_refptr<Authenticator> authenticator_;
 
   // This list should have at most one user, and that user should be the owner.
   UserList owner_user_list_;
 
+  UserManager* user_manager_for_testing_;
+
   DISALLOW_COPY_AND_ASSIGN(AppLaunchSigninScreen);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_LOGIN_APP_LAUNCH_SIGNIN_SCREEN_H_