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

chrome/browser/chromeos/login/webui_login_display.cc

Index: chrome/browser/chromeos/login/webui_login_display.cc
diff --git a/chrome/browser/chromeos/login/webui_login_display.cc b/chrome/browser/chromeos/login/webui_login_display.cc
index e192486716e3d926e3b1a07df4bf88b8a0981ad7..f37d095716907e0f2ed9ce4cc82f01b81b44c37c 100644
--- a/chrome/browser/chromeos/login/webui_login_display.cc
+++ b/chrome/browser/chromeos/login/webui_login_display.cc
@@ -141,6 +141,29 @@ void WebUILoginDisplay::ShowUserPodButton(
   webui_handler_->ShowUserPodButton(username, iconURL, click_callback);
 }
 
+void WebUILoginDisplay::HideUserPodButton(const std::string& username) {
+  if (!webui_handler_)
+    return;
+  webui_handler_->HideUserPodButton(username);
+}
+
+void WebUILoginDisplay::SetAuthType(const std::string& username,
+                                    AuthType auth_type,
+                                    const std::string& initial_value) {
+  if (!webui_handler_)
+    return;
+  webui_handler_->SetAuthType(username, auth_type, initial_value);
+}
+
+// Set the authentication type to be used on the lock screen.

[Nikita (slow), 2014/02/20 15:12:18]

nit: Comment can be dropped here.

[Tim Song, 2014/02/20 22:14:01]

Done.

+LoginDisplay::AuthType WebUILoginDisplay::GetAuthType(
+    const std::string& username) const {
+  // Return default auth type if WebUI hander is not ready.
+  if (!webui_handler_)
+    return OFFLINE_PASSWORD;
+  return webui_handler_->GetAuthType(username);
+}
+
 void WebUILoginDisplay::ShowError(int error_msg_id,
                                   int login_attempts,
                                   HelpAppLauncher::HelpTopic help_topic_id) {