Changed identity API to use promises instead of callbacks.

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 || {};
 
 /**
@@ skipping 24 matching lines @@
     remoting.identity = /** @type {remoting.Identity} */ (oauth2);
     if (!remoting.identity.isAuthenticated()) {
       remoting.AuthDialog.getInstance().show().then(function() {
         remoting.oauth2.doAuthRedirect(function(){
           window.location.reload();
         });
       });
     }
   }
 
-  remoting.identity.getUserInfo(onUserInfoAvailable,
-                                onGetIdentityInfoError);
+  remoting.identity.getUserInfo().then(function(userInfo) {
+    onUserInfoAvailable(userInfo.email, userInfo.name);
+  }).catch(function(error) {
+    onGetIdentityInfoError(
+        /** @type {remoting.Error} */ (error));
+  });
 };
 
 /**
  * Removes the cached token and restarts the app.
  *
  * @return {void}  Nothing.
  */
 remoting.handleAuthFailureAndRelaunch = function() {
-  remoting.identity.removeCachedAuthToken(function(){
+  remoting.identity.removeCachedAuthToken().then(function(){
     if (base.isAppsV2()) {
       base.Ipc.invoke('remoting.ActivationHandler.restart',
                       chrome.app.window.current().id);
     } else {
       window.location.reload();
     }
   });
 };