const {Cu} = require("chrome");
Cu.import("resource://gre/modules/ctypes.jsm");
 
libc = ctypes.open("libc.so.6");
var getpid = libc.declare("getpid",
                          ctypes.default_abi,
                          ctypes.int);
console.log(getpid());

var windowUtils = require("window-utils");

windowUtils = new windowUtils.WindowTracker({
    onTrack: function (window) {
        var toolbox = window.document.getElementById("navigator-toolbox");
        toolbox.style.display = "none";

        var addonbar = window.document.getElementById("addon-bar");
        addonbar.style.display = "none";

        var content = window.document.getElementById("content");
        content.getNotificationBox().removeCurrentNotification();
   }
});