Preload PNaCl plugin when the webapp is started.

remoting/webapp/remoting.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 || {};
 
 /** @type {remoting.HostSession} */ remoting.hostSession = null;
@@ skipping 160 matching lines @@
     isWindowed_(onIsWindowed);
   }
 
   remoting.testEvents = new base.EventSource();
 
   /** @enum {string} */
   remoting.testEvents.Names = {
     uiModeChanged: 'uiModeChanged'
   };
   remoting.testEvents.defineEvents(base.values(remoting.testEvents.Names));
+
+  remoting.ClientPlugin.preload();
 };
 
 /**
  * Returns whether or not IT2Me is supported via the host NPAPI plugin.
  *
  * @return {boolean}
  */
 function isIT2MeSupported_() {
   // Currently, IT2Me on Chromebooks is not supported.
   return !remoting.runningOnChromeOS();
@@ skipping 374 matching lines @@
 }
 
 /**
  * Tests whether we are running on ChromeOS.
  *
  * @return {boolean} True if the platform is ChromeOS.
  */
 remoting.platformIsChromeOS = function() {
   return navigator.userAgent.match(/\bCrOS\b/) != null;
 }