rem: var uri = Components.classes["@mozilla.org/network/standard-url;1"].createInstance(Components.interfaces.nsIURI); uri.spec = sourceURL; return uri; 
add: return makeURL(sourceURL); 
context: function getReferrer(doc){  var focusedWindow = doc.commandDispatcher.focusedWindow;  var sourceURL = getContentFrameURI(focusedWindow);  try {    var uri = Components.classes["@mozilla.org/network/standard-url;1"].createInstance(Components.interfaces.nsIURI);    uri.spec = sourceURL;    return uri;  } catch (e) {    return null;  }}
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/8b8551ca0df510ee39a0331ca41efb081fc0630b/contentAreaUtils.js/buggy/suite/common/contentAreaUtils.js