@Override
    public boolean processSynchron(final HtmlPage page, final WebRequest settings, final boolean async) {
        URL reqURL = settings.getUrl();
        settings.removeAdditionalHeader("Origin");
        return true;
    }
Resynchronizes calls performed from the thread where this instance has been created.
<p>
{@inheritDoc}
src/main/java/burp/execjs/CustomAjaxController.java