async _skipRequest(options) {
    const allowedDomain = this._checkAllowedDomains(options);
    if (!allowedDomain) return true;
    const requested = await this._checkRequested(options);
    if (requested) return true;
    const shouldRequest = await this._shouldRequest(options);
    if (!shouldRequest) return true;
    return false;
  }
@param {!Object} options
@return {!Promise<!boolean>}
@private