rem: if (f.exists()) 
add: if (f.exists()) 
context: function cancelDownload(aDownload){  gDownloadManager.cancelDownload(aDownload.getAttribute("dlid"));  // XXXben -   // If we got here because we resumed the download, we weren't using a temp file  // because we used saveURL instead. (this is because the proper download mechanism  // employed by the helper app service isn't fully accessible yet... should be fixed...  // talk to bz...)  // the upshot is we have to delete the file if it exists.   var f = getLocalFileFromNativePathOrUrl(aDownload.getAttribute("file"));  if (f.exists())     f.remove(false);}
meta: 8395	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/8395/39be0419a4a695ce67977c967201261ea171190a/downloads.js/buggy/toolkit/mozapps/downloads/content/downloads.js