Changed identity API to use promises instead of callbacks.

remoting/webapp/crd/js/host_controller.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 || {};
 
 /** @constructor */
@@ skipping 289 matching lines @@
   }
 
   /**
    * @param {string} hostName
    * @param {string} privateKey
    * @param {string} publicKey
    * @param {string} hostClientId
    */
   function onHostClientId(
       hostName, privateKey, publicKey, hostClientId) {
-    remoting.identity.callWithToken(
+    remoting.identity.getToken().then(
         doRegisterHost.bind(
-            null, hostName, privateKey, publicKey, hostClientId), onError);
+            null, hostName, privateKey, publicKey, hostClientId),
+        remoting.Error.handler(onError));
   }
 
   /**
    * @param {string} hostName
    * @param {string} privateKey
    * @param {string} publicKey
    * @param {boolean} hasFeature
    */
   function onHasFeatureOAuthClient(
       hostName, privateKey, publicKey, hasFeature) {
     if (hasFeature) {
       that.hostDaemonFacade_.getHostClientId(
           onHostClientId.bind(null, hostName, privateKey, publicKey), onError);
     } else {
-      remoting.identity.callWithToken(
+      remoting.identity.getToken().then(
           doRegisterHost.bind(
-              null, hostName, privateKey, publicKey, null), onError);
+              null, hostName, privateKey, publicKey, null),
+          remoting.Error.handler(onError));
     }
   }
 
   /**
    * @param {string} hostName
    * @param {string} privateKey
    * @param {string} publicKey
    */
   function onKeyGenerated(hostName, privateKey, publicKey) {
     that.hasFeature(
@@ skipping 212 matching lines @@
         onError(error);
         break;
     }
   };
 
   signalStrategy = remoting.SignalStrategy.create();
   signalStrategy.setStateChangedCallback(onState);
 
   /** @param {string} token */
   function connectSignalingWithToken(token) {
-    remoting.identity.getEmail(
-        connectSignalingWithTokenAndEmail.bind(null, token), onError);
+    remoting.identity.getEmail().then(
+        connectSignalingWithTokenAndEmail.bind(null, token),
+        remoting.Error.handler(onError));
   }
 
   /**
    * @param {string} token
    * @param {string} email
    */
   function connectSignalingWithTokenAndEmail(token, email) {
     signalStrategy.connect(
         remoting.settings.XMPP_SERVER_FOR_CLIENT, email, token);
   }
 
-  remoting.identity.callWithToken(connectSignalingWithToken, onError);
+  remoting.identity.getToken().then(
+      connectSignalingWithToken, remoting.Error.handler(onError));
 };
 
 /** @type {remoting.HostController} */
 remoting.hostController = null;