Remove the NPAPI plugin from the webapp.

remoting/webapp/host_screen.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.
 
 /**
  * @fileoverview
  * Functions related to the 'host screen' for Chromoting.
  */
 
 'use strict';
@@ skipping 26 matching lines @@
                               onDispatcherInitialized,
                               onDispatcherInitializationFailed);
   }
 
   /** @return {remoting.HostPlugin} */
   var createPluginForIt2Me = function() {
     return remoting.createNpapiPlugin(
         document.getElementById('host-plugin-container'));
   }
 
-  /** @param {remoting.HostController.AsyncResult} asyncResult */
-  var onHostInstalled = function(asyncResult) {
-    if (asyncResult == remoting.HostController.AsyncResult.OK) {
-      tryInitializeDispatcher();
-    } else if (asyncResult == remoting.HostController.AsyncResult.CANCELLED) {
-      onInstallError(remoting.Error.CANCELLED);
-    } else {
-      onInstallError(remoting.Error.UNEXPECTED);
-    }
-  };
-
   var onDispatcherInitialized = function () {
     if (hostDispatcher.usingNpapi()) {
       hostInstallDialog = new remoting.HostInstallDialog();
-      if (navigator.platform == 'Win32') {
-        hostInstallDialog.show(
-            hostDispatcher.getNpapiHost(), onHostInstalled, onInstallError);
-      } else {
-        hostInstallDialog.show(null, onHostInstalled, onInstallError);
-      }
+      hostInstallDialog.show(tryInitializeDispatcher, onInstallError);
     } else {
       // Host alrady installed.
       remoting.startHostUsingDispatcher_(hostDispatcher);
     }
   };
 
   /** @param {remoting.Error} error */
   var onDispatcherInitializationFailed = function(error) {
     if (error != remoting.Error.MISSING_PLUGIN) {
       showShareError_(error);
       return;
     }
 
     // If we failed to initialize the dispatcher then prompt the user to install
     // the host manually.
     if (hostInstallDialog == null) {
       hostInstallDialog = new remoting.HostInstallDialog();
 
-      (/** @type {remoting.HostInstallDialog} */ hostInstallDialog).show(
-          null, onHostInstalled, onInstallError);
+      hostInstallDialog.show(tryInitializeDispatcher, onInstallError);

[Sergey Ulanov, 2014/05/24 01:50:34]

does this still typecheck, without the type annotation?

     } else {
-      (/** @type {remoting.HostInstallDialog} */ hostInstallDialog).tryAgain();
+      hostInstallDialog.tryAgain();
     }
   };
 
   /** @param {remoting.Error} error */
   var onInstallError = function(error) {
     if (error == remoting.Error.CANCELLED) {
       remoting.setMode(remoting.AppMode.HOME);
     } else {
       showShareError_(error);
     }
@@ skipping 271 matching lines @@
  * @private
  */
 function onNatTraversalPolicyChanged_(enabled) {
   var natBox = document.getElementById('nat-box');
   if (enabled) {
     natBox.classList.add('traversal-enabled');
   } else {
     natBox.classList.remove('traversal-enabled');
   }
 }