MD User Manager: Display error message when all profiles are locked.

chrome/browser/resources/md_user_manager/user_manager.js

 // Copyright 2016 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.
 
 <include src="../../../../ui/login/screen.js">
 <include src="../../../../ui/login/bubble.js">
 <include src="../../../../ui/login/login_ui_tools.js">
 <include src="../../../../ui/login/display_manager.js">
 <include src="../../../../ui/login/account_picker/user_pod_template.js">
 <include src="../../../../ui/login/account_picker/screen_account_picker.js">
@@ skipping 48 matching lines @@
   /**
    * Initializes the UserManager.
    */
   UserManager.initialize = function() {
     cr.ui.login.DisplayManager.initialize();
     login.AccountPickerScreen.register();
     cr.ui.Bubble.decorate($('bubble'));
 
     signin.ProfileBrowserProxyImpl.getInstance().initializeUserManager(
         window.location.hash);
+    cr.addWebUIListener('show-error-dialog', cr.ui.UserManager.showErrorDialog);
   };
 
   /**
    * Shows the given screen.
    * @param {boolean} showGuest True if 'Browse as Guest' button should be
    *     displayed.
    * @param {boolean} showAddPerson True if 'Add Person' button should be
    *     displayed.
    */
   UserManager.showUserManagerScreen = function(showGuest, showAddPerson) {
@@ skipping 46 matching lines @@
     DisplayManager.showSignInError(loginAttempts, message, link, helpId);
   };
 
   /**
    * Clears error bubble as well as optional menus that could be open.
    */
   UserManager.clearErrors = function() {
     DisplayManager.clearErrors();
   };
 
+  /**
+   * Shows the error dialog populated with the given message.
+   * @param {string} message Error message to show.
+   */
+  UserManager.showErrorDialog = function(message) {
+    document.querySelector('error-dialog').show(message);
+  };
+
   // Export
   return {
     UserManager: UserManager
   };
 });
 
 // Alias to Oobe for use in src/ui/login/account_picker/user_pod_row.js
 var Oobe = cr.ui.UserManager;
 
 // Allow selection events on components with editable text (password field)
 // bug (http://code.google.com/p/chromium/issues/detail?id=125863)
 disableTextSelectAndDrag(function(e) {
   var src = e.target;
   return src instanceof HTMLTextAreaElement ||
          src instanceof HTMLInputElement &&
          /text|password|search/.test(src.type);
 });
 
 document.addEventListener('DOMContentLoaded', cr.ui.UserManager.initialize);