Patcher: remove wrappers when window is closed to avoid memory leaks about private_tab HOT 2 CLOSED

var count = 25;
function leakTestPrototype() {
    for(var i = 1; i <= count; ++i) {
        var win = window.openDialog(location.href, "", "chrome,all");
        win.addEventListener("load", function loader(e) {
            win.document.documentElement.setAttribute("titlemodifier_normal", "[" + i + "/" + count + "]");
            win.removeEventListener(e.type, loader, false);
            win.setTimeout(function() {
                win.close();
                leakTestPrototype.__gen.next();
            }, 500);
        }, false);
        yield;
    }
    yield;
}
var leakTest = leakTestPrototype.__gen = leakTestPrototype();
leakTest.next();