Revert of Remove NPAPI plugin from chromoting webapp.

remoting/webapp/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 50 matching lines @@
     throw "Invalid HostController.AsyncResult: " + result;
   }
   return remoting.HostController.AsyncResult[result];
 }
 
 /**
  * @return {remoting.HostDispatcher}
  * @private
  */
 remoting.HostController.prototype.createDispatcher_ = function() {
+  /** @return {remoting.HostPlugin} */
+  var createPluginForMe2Me = function() {
+    /** @type {HTMLElement} @private */
+    var container = document.getElementById('daemon-plugin-container');
+    return remoting.createNpapiPlugin(container);
+  };
+
   /** @type {remoting.HostDispatcher} @private */
-  var hostDispatcher = new remoting.HostDispatcher();
+  var hostDispatcher = new remoting.HostDispatcher(createPluginForMe2Me);
 
   /** @param {string} version */
   var printVersion = function(version) {
     if (version == '') {
       console.log('Host not installed.');
     } else {
       console.log('Host version: ' + version);
     }
   };
 
@@ skipping 29 matching lines @@
  * @param {function(boolean, boolean, boolean):void} onDone Callback to be
  *     called when done.
  * @param {function(remoting.Error):void} onError Callback to be called on
  *     error.
  */
 remoting.HostController.prototype.getConsent = function(onDone, onError) {
   this.hostDispatcher_.getUsageStatsConsent(onDone, onError);
 };
 
 /**
+ * @param {function(remoting.HostController.AsyncResult):void} onDone
+ * @param {function(remoting.Error):void} onError
+ * @return {void}
+ */
+remoting.HostController.prototype.installHost = function(onDone, onError) {
+  /** @type {remoting.HostController} */
+  var that = this;
+
+  /** @param {remoting.HostController.AsyncResult} asyncResult */
+  var onHostInstalled = function(asyncResult) {
+    // Refresh the dispatcher after the host has been installed.
+    if (asyncResult == remoting.HostController.AsyncResult.OK) {
+      that.hostDispatcher_ = that.createDispatcher_();
+    }
+    onDone(asyncResult);
+  };
+
+  this.hostDispatcher_.installHost(onHostInstalled, onError);
+};
+
+/**
  * Registers and starts the host.
  *
  * @param {string} hostPin Host PIN.
  * @param {boolean} consent The user's consent to crash dump reporting.
  * @param {function():void} onDone Callback to be called when done.
  * @param {function(remoting.Error):void} onError Callback to be called on
  *     error.
  * @return {void} Nothing.
  */
 remoting.HostController.prototype.start = function(hostPin, consent, onDone,
@@ skipping 363 matching lines @@
  *
  * @param {function():void} onDone Completion callback.
  * @param {function(remoting.Error):void} onError Error callback.
  * @return {void}
  */
 remoting.HostController.prototype.clearPairedClients = function(
     onDone, onError) {
   this.hostDispatcher_.clearPairedClients(onDone, onError);
 };
 
+/**
+ * Returns true if the NPAPI plugin is being used.
+ * @return {boolean}
+ */
+remoting.HostController.prototype.usingNpapiPlugin = function() {
+  return this.hostDispatcher_.usingNpapiPlugin();
+}
+
 /** @type {remoting.HostController} */
 remoting.hostController = null;