Overwrite Google Analytics

ga.js

function random() {
  return Math.floor(Math.random() * (9 - 2) + 2);
}
function fukWithGogle(cookie, domain) {
  let ga = cookie.split('.')
    ga[3] = (parseInt(ga[3]) + random()).toString()
    ga[2] = (parseInt(ga[2]) + random()).toString()
    ga = ga.join('.');
  const newCookie = {
      url: 'http://' + domain.slice(1),
      domain: domain,
      name: '_ga',
      value: ga
  };
  return newCookie;
};


chrome.cookies.getAll(
    {
        name: '_ga',
        session: false
    },
    v => {
        v.forEach(e => {
          console.log(e.domain + ' ' + e.domain)
          const newCookie = fukWithGogle(e.value, e.domain);
            chrome.cookies.set(newCookie, c => {
                if (!c) {
                    console.log('Error: ' + e.domain);
                } else {
                    console.log('done');
                }
            });
        });
    }
);