[Chromoting] Change Application.Delegate to proper subclass of Application.

remoting/webapp/crd/js/window_frame.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
  * Apps v2 custom title bar implementation
  */
 
 'use strict';
@@ skipping 35 matching lines @@
   base.debug.assert(this.optionsMenuList_ != null);
 
   /**
    * @type {Array<{cls:string, fn: function()}>}
    */
   var handlers = [
     { cls: 'window-disconnect', fn: this.disconnectSession_.bind(this) },
     { cls: 'window-maximize-restore',
       fn: this.maximizeOrRestoreWindow_.bind(this) },
     { cls: 'window-minimize', fn: this.minimizeWindow_.bind(this) },
-    { cls: 'window-close', fn: remoting.app.exit.bind(remoting.app) },
+    { cls: 'window-close', fn: remoting.app.quit.bind(remoting.app) },
     { cls: 'window-controls-stub', fn: this.toggleWindowControls_.bind(this) }
   ];
   for (var i = 0; i < handlers.length; ++i) {
     var element = titleBar.querySelector('.' + handlers[i].cls);
     base.debug.assert(element != null);
     element.addEventListener('click', handlers[i].fn, false);
   }
 
   // Ensure that tool-tips are always correct.
   this.handleWindowStateChange_();
@@ skipping 159 matching lines @@
   var hidePreview = function() {
     target.classList.remove('preview');
   };
   target.classList.add('preview');
   window.setTimeout(hidePreview, kPreviewTimeoutMs);
 };
 
 
 /** @type {remoting.WindowFrame} */
 remoting.windowFrame = null;