Changed identity API to use promises instead of callbacks.

remoting/webapp/crd/js/crd_event_handlers.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 || {};
 
 remoting.initElementEventHandlers = function() {
   var goHome = function() {
     remoting.setMode(remoting.AppMode.HOME);
   };
   var goEnterAccessCode = function() {
     // We don't need a token until we authenticate, but asking for one here
     // handles the token-expired case earlier, avoiding asking the user for
     // the access code both before and after re-authentication.
-    remoting.identity.callWithToken(
-        /** @param {string} token */
-        function(token) {
+    remoting.identity.getToken().
+        then(function(token) {
           remoting.setMode(remoting.AppMode.CLIENT_UNCONNECTED);
-        },
-        remoting.showErrorMessage);
+        }).
+        catch(remoting.Error.handler(remoting.showErrorMessage));
   };
   var goFinishedIT2Me = function() {
     if (remoting.currentMode == remoting.AppMode.CLIENT_CONNECT_FAILED_IT2ME) {
       remoting.setMode(remoting.AppMode.CLIENT_UNCONNECTED);
     } else {
       goHome();
     }
   };
   /** @param {Event} event The event. */
   var sendAccessCode = function(event) {
@@ skipping 54 matching lines @@
       { event: 'click', id: 'sign-out', fn:remoting.signOut },
       { event: 'click', id: 'token-refresh-error-ok', fn: goHome },
       { event: 'click', id: 'token-refresh-error-sign-in',
         fn: remoting.handleAuthFailureAndRelaunch }
   ];
   registerEventListeners(it2me_actions);
   registerEventListeners(me2me_actions);
   registerEventListeners(host_actions);
   registerEventListeners(auth_actions);
 }