Move NegotiatingClientAuthentication creation to ChromotingClient.

remoting/webapp/base/js/client_plugin_impl.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
  * Class that wraps low-level details of interacting with the client plugin.
  *
  * This abstracts a <embed> element and controls the plugin which does
  * the actual remoting work. It also handles differences between
@@ skipping 431 matching lines @@
     keyFilter = 'windows';
   }
 
   this.plugin_.postMessage(JSON.stringify(
       { method: 'delegateLargeCursors', data: {} }));
   this.credentials_ = credentialsProvider;
   this.useAsyncPinDialog_();
   this.plugin_.postMessage(JSON.stringify({
     method: 'connect',
     data: {
+      hostId: host.hostId,
       hostJid: host.jabberId,
       hostPublicKey: host.publicKey,
       localJid: localJid,
       sharedSecret: '',
-      authenticationTag: host.hostId,
       capabilities: this.capabilities_.join(" "),
       clientPairingId: credentialsProvider.getPairingInfo().clientId,
       clientPairedSecret: credentialsProvider.getPairingInfo().sharedSecret,
       keyFilter: keyFilter,
       experiments: experiments.join(" ")
     }
   }));
 };
 
 /**
@@ skipping 296 matching lines @@
   return new remoting.ClientPluginImpl(container,
                                        capabilities);
 };
 
 remoting.DefaultClientPluginFactory.prototype.preloadPlugin = function() {
   var plugin = remoting.ClientPluginImpl.createPluginElement_();
   plugin.addEventListener(
       'loadend', function() { document.body.removeChild(plugin); }, false);
   document.body.appendChild(plugin);
 };