Method getOwner

src/service/resource.js:243–256

* Returns an owner element or null. * @return {?AmpElement}

()

   * @return {?AmpElement}
   */
  getOwner() {
    if (this.owner_ === undefined) {
      for (let n = this.element; n; n = n.parentElement) {
        if (n[OWNER_PROP_]) {
          this.owner_ = n[OWNER_PROP_];
          break;
        }
      }
      if (this.owner_ === undefined) {
        this.owner_ = null;
      }
    }
    return this.owner_;
  }

  /**
   * Whether the resource has an owner.