create and use nsIIOService::getQueryAttributeValue r=dbradley sr=darin git-svn-id: svn://10.0.0.236/trunk@112305 18797224-902f-48f8-a5cc-f745e15eee43
create and use nsIIOService::getQueryAttributeValue r=dbradley sr=darin git-svn-id: svn://10.0.0.236/trunk@112305 18797224-902f-48f8-a5cc-f745e15eee43