Method getPositionEntry_

ads/inabox/position-observer.js:81–87

* @param {!Element} element * @return {!PositionEntryDef} * @private

(element)

   * @private
   */
  getPositionEntry_(element) {
    return {
      'viewportRect': /** @type {!LayoutRectDef} */ (this.viewportRect_),
      // relative position to viewport
      'targetRect': this.getTargetRect(element),
    };
  }

  /**
   * A  method to get viewport rect