Method layoutCallback

test/integration/test-video-manager.js:494–501

@override

()

    /** @override */
    layoutCallback() {
      const iframe = this.element.ownerDocument.createElement('iframe');
      this.element.appendChild(iframe);

      return Promise.resolve().then(() => {
        dispatchCustomEvent(this.element, VideoEvents_Enum.LOAD);
      });
    }

    // VideoInterface Implementation. See ../src/video-interface.VideoInterface