rem: var WM = Components.classes['@mozilla.org/rdf/datasource;1?name=window-mediator'].getService(); 
add: var WM = Components.classes['@mozilla.org/appshell/window-mediator;1'].getService(); 
context: function findMostRecentWindow(aType, aURI, aParam){  var WM = Components.classes['@mozilla.org/rdf/datasource;1?name=window-mediator'].getService();  WM = WM.QueryInterface(Components.interfaces.nsIWindowMediator);  var topWindow = WM.getMostRecentWindow(aType);  if (!topWindow) gCreatingNewWindow = true;  return topWindow || openDialog("chrome://communicator/content/history/history.xul",                                  "", "chrome,all,dialog=no", aParam);}
meta: 8395	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/8395/58ad7ad612cf759624c52f8d3473225eb3ce4026/findHistory.js/buggy/xpfe/components/history/resources/findHistory.js