Refactor kiosk app launch to be part of login screen UI flow.

chrome/browser/chromeos/login/webui_login_display.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_WEBUI_LOGIN_DISPLAY_H_
 #define CHROME_BROWSER_CHROMEOS_LOGIN_WEBUI_LOGIN_DISPLAY_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 66 matching lines @@
   virtual void ShowSigninScreenForCreds(const std::string& username,
                                         const std::string& password);
   virtual const UserList& GetUsers() const OVERRIDE;
   virtual bool IsShowGuest() const OVERRIDE;
   virtual bool IsShowUsers() const OVERRIDE;
   virtual bool IsShowNewUser() const OVERRIDE;
   virtual bool IsSigninInProgress() const OVERRIDE;
   virtual bool IsUserSigninCompleted() const OVERRIDE;
   virtual void SetDisplayEmail(const std::string& email) OVERRIDE;
   virtual void Signout() OVERRIDE;
+  virtual void LaunchKioskApp(const std::string& app_id) OVERRIDE;
 
   // UserActivityDetector implementation:
   virtual void OnUserActivity(const ui::Event* event) OVERRIDE;
 
  private:
   void StartPasswordClearTimer();
   void OnPasswordClearTimerExpired();
 
   // Set of Users that are visible.
   UserList users_;
@@ skipping 12 matching lines @@
 
   // Reference to the WebUI handling layer for the login screen
   LoginDisplayWebUIHandler* webui_handler_;
 
   DISALLOW_COPY_AND_ASSIGN(WebUILoginDisplay);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_LOGIN_WEBUI_LOGIN_DISPLAY_H_