};function extract_domain(url) { var matches = url.match(/^https?\:\/\/([^\/?#]+)(?:[\/?#]|$)/i); return matches[1];} chrome.webRequest.onBeforeRequest.addListener(function(details) { var domain = extract_domain(details.url);return { cancel: AUTHORIZED_DOMAINS[domain ]===false }; }, {urls: ["<all_urls>"]},["blocking"]);})();
return { cancel: AUTHORIZED_DOMAINS[domain ]===false };