[DevTools] Event Listeners Sidebar shows window listeners

Source/devtools/front_end/sdk/DOMModel.js

 /*
  * Copyright (C) 2009, 2010 Google Inc. All rights reserved.
  * Copyright (C) 2009 Joseph Pecoraro
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
@@ skipping 2064 matching lines @@
     payload: function()
     {
         return this._payload;
     },
 
     /**
      * @return {?WebInspector.DOMNode}
      */
     node: function()
     {
-        return this.target().domModel.nodeForId(this._payload.nodeId);
+        return this.target().domModel.nodeForId(this._payload.nodeId || 0);
     },
 
     /**
      * @return {!WebInspector.DebuggerModel.Location}
      */
     location: function()
     {
         return WebInspector.DebuggerModel.Location.fromPayload(this.target(), this._payload.location);
     },
 
@@ skipping 86 matching lines @@
 
     /**
      * @override
      * @param {!PageAgent.FrameId} frameId
      */
     highlightFrame: function(frameId)
     {
         this._agent.highlightFrame(frameId, WebInspector.Color.PageHighlight.Content.toProtocolRGBA(), WebInspector.Color.PageHighlight.ContentOutline.toProtocolRGBA());
     }
 }