Method getConsentPolicy

src/base-element.js:366–373

* Returns the consent policy id that this element should wait for before * buildCallback. * A `null` value indicates to not be blocked by consent. * Subclasses may override. * @return {?string}

()

   * @return {?string}
   */
  getConsentPolicy() {
    let policyId = null;
    if (this.element.hasAttribute('data-block-on-consent')) {
      policyId =
        this.element.getAttribute('data-block-on-consent') || 'default';
    }
    return policyId;
  }

  /**
   * Intended to be implemented by subclasses. Tests whether the element