Refactor user pods to use authType property for distinct authentication modes.

chrome/browser/chromeos/login/screen_locker_delegate.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_SCREEN_LOCKER_DELEGATE_H_
 #define CHROME_BROWSER_CHROMEOS_LOGIN_SCREEN_LOCKER_DELEGATE_H_
 
 #include "base/callback_forward.h"
 #include "base/strings/string16.h"
 #include "chrome/browser/chromeos/login/help_app_launcher.h"
+#include "chrome/browser/chromeos/login/login_display.h"
 #include "ui/gfx/native_widget_types.h"
 
 class GURL;
 
 namespace content {
 class WebUI;
 }
 
 namespace gfx {
 class Image;
@@ skipping 24 matching lines @@
   virtual void SetInputEnabled(bool enabled) = 0;
 
   // Displays a banner containing |message| on the lock screen.
   virtual void ShowBannerMessage(const std::string& message) = 0;
 
   // Shows a button inside the user pod on the lock screen with an icon.
   virtual void ShowUserPodButton(const std::string& username,
                                  const std::string& iconURL,
                                  const base::Closure& click_callback) = 0;
 
+  // Hides the user pod button for a user.
+  virtual void HideUserPodButton(const std::string& username) = 0;
+
+  // Set the authentication type to be used on the lock screen.
+  virtual void SetAuthType(const std::string& username,
+                           LoginDisplay::AuthType auth_type,
+                           const std::string& initial_value) = 0;
+
+  // Returns the authentication type used for |username|.
+  virtual LoginDisplay::AuthType GetAuthType(const std::string& username)
+      const = 0;
+
   // Disables all UI needed and shows error bubble with |message|.
   // If |sign_out_only| is true then all other input except "Sign Out"
   // button is blocked.
   virtual void ShowErrorMessage(
       int error_msg_id,
       HelpAppLauncher::HelpTopic help_topic_id) = 0;
 
   // Close message bubble to clear error messages.
   virtual void ClearErrors() = 0;
 
@@ skipping 20 matching lines @@
  protected:
   // ScreenLocker that owns this delegate.
   ScreenLocker* screen_locker_;
 
   DISALLOW_COPY_AND_ASSIGN(ScreenLockerDelegate);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_LOGIN_SCREEN_LOCKER_DELEGATE_H_