Handle authentication failures in the v2 app by restarting the app

remoting/webapp/base/js/auth_init.js

 // Copyright 2014 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.
 
 'use strict';
 
 /** @suppress {duplicate} */
 var remoting = remoting || {};
 
 /**
  * Get the user's email address and full name.
  *
  * @param {function(string,string):void} onUserInfoAvailable Callback invoked
  *     when the user's email address and full name are available.
  * @return {void} Nothing.
  */
 remoting.initIdentity = function(onUserInfoAvailable) {
 
-  /**
-   * Show the authorization consent UI and register a one-shot event handler to
-   * continue the authorization process.
-   *
-   * @param {function():void} authContinue Callback to invoke when the user
-   *     clicks "Continue".
-   */
-  function promptForConsent(authContinue) {
-    /** @type {HTMLElement} */
-    var dialog = document.getElementById('auth-dialog');
-    /** @type {HTMLElement} */
-    var button = document.getElementById('auth-button');
-    var consentGranted = function(event) {
-      dialog.hidden = true;
-      button.removeEventListener('click', consentGranted, false);
-      authContinue();
-      remoting.windowShape.updateClientWindowShape();
-    };
-    dialog.hidden = false;
-
-    /** @type {HTMLElement} */
-    var dialog_border = document.getElementById('auth-dialog-border');
-    remoting.authDialog = new remoting.AuthDialog(dialog_border);
-    remoting.windowShape.addCallback(remoting.authDialog);
-
-    button.addEventListener('click', consentGranted, false);
-  }
-
   /** @param {remoting.Error} error */
   function onGetIdentityInfoError(error) {
     // No need to show the error message for NOT_AUTHENTICATED
     // because we will show "auth-dialog".
     if (error != remoting.Error.NOT_AUTHENTICATED) {
       remoting.showErrorMessage(error);
     }
   }
 
   if (base.isAppsV2()) {
-    remoting.identity = new remoting.Identity(promptForConsent);
+    remoting.identity = new remoting.Identity();
   } else {
     // TODO(garykac) Remove this and replace with identity.
     remoting.oauth2 = new remoting.OAuth2();
-    if (!remoting.oauth2.isAuthenticated()) {
-      document.getElementById('auth-dialog').hidden = false;
+    remoting.identity = remoting.oauth2;
+    if (!remoting.identity.isAuthenticated()) {
+      remoting.AuthDialog.show().then(function() {
+        remoting.identity.handleAuthFailureAndRelaunch();
+      });
     }
-    remoting.identity = remoting.oauth2;
   }
 
   remoting.identity.getUserInfo(onUserInfoAvailable,
                                 onGetIdentityInfoError);
-}
+};