Method whenRenderComplete

src/friendly-iframe-embed.js:466–468

* Returns a promise that will resolve when all elements have been * transferred into live embed DOM. * @return {!Promise}

()

   * @return {!Promise}
   */
  whenRenderComplete() {
    return this.renderComplete_.promise;
  }

  /**
   * Signal that indicates that all DOM elements have been transferred to live