Improve web-app type safety.

remoting/webapp/me2mom/wcs_iq_client_proto.js

 // Copyright (c) 2011 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.
 
 // This file contains type definitions for the WCS IQ client. It is used only
 // with JSCompiler to verify the type-correctness of our code.
 
 /** @suppress {duplicate} */
 var remoting = remoting || {};
 
 /** @constructor
  */
 remoting.WcsIqClient = function() {};
 
-/** @param {function(string): void} onMsg The function called when a message
- *      is received.
+/** @param {function(Array.<string>): void} onMsg The function called when a
+ *      message is received.
  *  @return {void} Nothing. */
 remoting.WcsIqClient.prototype.setOnMessage = function(onMsg) {};
 
 /** @return {void} Nothing. */
 remoting.WcsIqClient.prototype.connectChannel = function() {};
 
 /** @param {string} stanza An IQ stanza.
  *  @return {void} Nothing. */
 remoting.WcsIqClient.prototype.sendIq = function(stanza) {};
 
 /** @param {string} token An OAuth2 access token.
  *  @return {void} Nothing. */
 remoting.WcsIqClient.prototype.updateAccessToken = function(token) {};