Mojo JS Bindings: fix the demos

mojo/services/public/js/application.js

 // Copyright 2014 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.
 
 define("mojo/services/public/js/application", [
   "mojo/services/public/js/service_provider",
   "mojo/services/public/js/shell",
   "mojo/public/js/threading",
 ], function(serviceProvider, shell, threading) {
 
@@ skipping 14 matching lines @@
 
     initialize(args) {
     }
 
     doAcceptConnection(url, serviceProviderProxy, exposedServiceProviderProxy) {
       var serviceProvider = new ServiceProvider(serviceProviderProxy);
       this.serviceProviders.push(serviceProvider);
 
       var exposedServiceProvider =
           new ServiceProvider(exposedServiceProviderProxy);
-      this.exposedServiceProviders.push(exposedServiceProvider)
+      this.exposedServiceProviders.push(exposedServiceProvider);
 
       this.acceptConnection(url, serviceProvider, exposedServiceProvider);
     }
 
     acceptConnection(url, serviceProvider, exposedServiceProvider) {
     }
 
     quit() {
       this.serviceProviders.forEach(function(sp) {
         sp.close();
       });
       this.shell.close();
       threading.quit();
     }
   }
 
   var exports = {};
   exports.Application = Application;
   return exports;
 });