const Cc = Components.classes;
const Ci = Components.interfaces;

addMessageListener("setTimeout", msg => {
  let timer = Cc["@mozilla.org/timer;1"].createInstance(Ci.nsITimer);
  timer.init(_ => {
    sendAsyncMessage("timeout");
  }, msg.delay, Ci.nsITimer.TYPE_ONE_SHOT);
});

sendAsyncMessage("ready");
