Changed identity API to use promises instead of callbacks.

remoting/webapp/crd/js/apps_v2_migration.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.
 
 /**
 * @fileoverview
 * The current v1 web-app allows users to sign in as any user. Some users may
 * be signed in using a different account than their chrome profile.  When these
 * users upgrade to the v2 app, their host list will be empty and it is not
 * obvious why.  remoting.AppsV2Migration shows a migration tip to the user to
@@ skipping 29 matching lines @@
  *   Otherwise, the promise will be rejected.
  */
 remoting.AppsV2Migration.hasHostsInV1App = function() {
   if (!base.isAppsV2()) {
     return Promise.reject(false);
   }
 
   var getV1UserInfo = base.Promise.as(chrome.storage.local.get,
                                        [MIGRATION_KEY_],
                                        chrome.storage.local);
-  var getEmail = base.Promise.as(remoting.identity.getUserInfo, [],
-                                 remoting.identity, true);
+  var getEmail = remoting.identity.getEmail();
 
   return Promise.all([getV1UserInfo, getEmail]).then(
     /** @param {Object} results */
     function(results){
       var v1User =
           /**@type {remoting.MigrationSettings} */ (results[0][MIGRATION_KEY_]);
       var currentEmail = /** @type {string}*/ (results[1]);
 
       if (v1User && v1User.email && v1User.email !== currentEmail) {
         return Promise.resolve(v1User);
@@ skipping 24 matching lines @@
  * in the v1 app.  Clears the migration settings in the v2 app.
  */
 remoting.AppsV2Migration.saveUserInfo = function() {
   if (base.isAppsV2()) {
     chrome.storage.local.remove(MIGRATION_KEY_);
   } else {
     /**
      * @param {string} email
      * @param {string} fullName
      */
-    remoting.identity.getUserInfo(function(email, fullName) {
+    remoting.identity.getUserInfo().then(function(userInfo) {
       var preference = {};
       preference[MIGRATION_KEY_] =
-        new remoting.MigrationSettings(email, fullName);
+        new remoting.MigrationSettings(userInfo.email, userInfo.name);
       chrome.storage.local.set(preference);
-    }, base.doNothing);
+    }).catch(base.doNothing);
   }
 };
 
 }());
-