/**
  * Determine the correct domain to use for the stopMobileRedirect cookie
  *
  * Will use $wgMFStopRedirectCookieHost if it's set, otherwise will use
  * result of getBaseDomain()
  * @return string
  */
 public function getStopMobileRedirectCookieDomain()
 {
     $mfStopRedirectCookieHost = $this->getMFConfig()->get('MFStopRedirectCookieHost');
     if (!$mfStopRedirectCookieHost) {
         self::$mfStopRedirectCookieHost = $this->getBaseDomain();
     } else {
         self::$mfStopRedirectCookieHost = $mfStopRedirectCookieHost;
     }
     return self::$mfStopRedirectCookieHost;
 }