Add Application.Delegate.stop.

remoting/webapp/crd/js/app_launcher.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.
 
 /**
  * @fileoverview
  * AppLauncher is an interface that allows the client code to launch and close
  * the app without knowing the implementation difference between a v1 app and
  * a v2 app.
  *
@@ skipping 154 matching lines @@
     base.debug.assert(Number.isInteger(appWindow.id),
                       "Window Id should be an integer");
     var id = parseInt(appWindow.id, 10);
     if (lastId <= id) {
       lastId = id;
     }
   });
   return ++lastId;
 }
 
-})();
+})();