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

chrome/browser/chromeos/login/webui_login_display.h

Index: chrome/browser/chromeos/login/webui_login_display.h
diff --git a/chrome/browser/chromeos/login/webui_login_display.h b/chrome/browser/chromeos/login/webui_login_display.h
index ba146d954e8b9410d19b9d93ad505004ee8368e5..cd4fe50c223a7c745eda3c91de93adf70b99696d 100644
--- a/chrome/browser/chromeos/login/webui_login_display.h
+++ b/chrome/browser/chromeos/login/webui_login_display.h
@@ -45,6 +45,11 @@ class WebUILoginDisplay : public LoginDisplay,
   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,
+                           AuthType auth_type,
+                           const std::string& initial_value) OVERRIDE;
+  virtual AuthType GetAuthType(const std::string& username) const OVERRIDE;
   virtual void ShowError(int error_msg_id,
                          int login_attempts,
                          HelpAppLauncher::HelpTopic help_topic_id) OVERRIDE;