Handle authentication failures in the v2 app by restarting the app

remoting/webapp/crd/js/remoting.js

 // Copyright (c) 2012 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 || {};
 
 /**
@@ skipping 181 matching lines @@
  * Chromoting again.
  *
  * @param {remoting.Error} error
  * @return {void} Nothing.
  */
 remoting.showErrorMessage = function(error) {
   l10n.localizeElementFromTag(
       document.getElementById('token-refresh-error-message'),
       error);
   var auth_failed = (error == remoting.Error.AUTHENTICATION_FAILED);
-  document.getElementById('token-refresh-auth-failed').hidden = !auth_failed;
-  document.getElementById('token-refresh-other-error').hidden = auth_failed;
-  remoting.setMode(remoting.AppMode.TOKEN_REFRESH_FAILED);
+  if (base.isAppsV2()) {
+    remoting.identity.handleAuthFailure();
+  } else {
+    document.getElementById('token-refresh-auth-failed').hidden = !auth_failed;
+    document.getElementById('token-refresh-other-error').hidden = auth_failed;
+    remoting.setMode(remoting.AppMode.TOKEN_REFRESH_FAILED);
+  }
 };
 
 /**
  * Determine whether or not the app is running in a window.
  * @param {function(boolean):void} callback Callback to receive whether or not
  *     the current tab is running in windowed mode.
  */
 function isWindowed_(callback) {
   /** @param {chrome.Window} win The current window. */
   var windowCallback = function(win) {
     callback(win.type == 'popup');
   };
   /** @param {chrome.Tab} tab The current tab. */
   var tabCallback = function(tab) {
     if (tab.pinned) {
       callback(false);
     } else {
       chrome.windows.get(tab.windowId, null, windowCallback);
     }
   };
   if (chrome.tabs) {
     chrome.tabs.getCurrent(tabCallback);
   } else {
     console.error('chome.tabs is not available.');
   }
 }