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

chrome/browser/chromeos/login/webui_screen_locker.h

Index: chrome/browser/chromeos/login/webui_screen_locker.h
diff --git a/chrome/browser/chromeos/login/webui_screen_locker.h b/chrome/browser/chromeos/login/webui_screen_locker.h
index 0e686a25e362fc48f455e1b3d88dc83c3136b70a..155e542e2425cb32157b8e227cc4c3a1c2b7e28d 100644
--- a/chrome/browser/chromeos/login/webui_screen_locker.h
+++ b/chrome/browser/chromeos/login/webui_screen_locker.h
@@ -61,6 +61,12 @@ class WebUIScreenLocker : public WebUILoginView,
   virtual void ShowUserPodButton(const std::string& username,
                                  const std::string& iconURL,
                                  const base::Closure& click_callback) OVERRIDE;
+  virtual void HideUserPodButton(const std::string& username) OVERRIDE;
+  virtual void SetAuthType(const std::string& username,
+                           LoginDisplay::AuthType auth_type,
+                           const std::string& initial_value) OVERRIDE;
+  virtual LoginDisplay::AuthType GetAuthType(const std::string& username)
+      const OVERRIDE;
   virtual void ShowErrorMessage(
       int error_msg_id,
       HelpAppLauncher::HelpTopic help_topic_id) OVERRIDE;