rem:  throw Components.results.NS_NOINTERFACE; } 
add:  throw Components.results.NS_NOINTERFACE; } 
context:     QueryInterface : function(iid)    {     if (iid.equals(Components.interfaces.nsIWebProgressListener) || iid.equals(Components.interfaces.nsISupportsWeakReference))      return this;          throw Components.results.NS_NOINTERFACE;    }
meta: 10234	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/10234/7017f5750d9b84c4e97e58393dba259da2a59e18/printPreviewProgress.js/clean/toolkit/components/printing/content/printPreviewProgress.js