WebKit2.WindowProperties

const WebKit2 = imports.gi.WebKit2;

let windowProperties = new WebKit2.WindowProperties({
    fullscreen: value,
    geometry: value,
    locationbar_visible: value,
    menubar_visible: value,
    resizable: value,
    scrollbars_visible: value,
    statusbar_visible: value,
    toolbar_visible: value,
});