Function createFrameFor

src/iframe-video.js:67–91

(video, src, opt_name, opt_sandbox)

 * @return {!Element}
 */
export function createFrameFor(video, src, opt_name, opt_sandbox) {
  const {element} = video;
  const frame = htmlFor(
    element
  )`<iframe frameborder=0 allowfullscreen></iframe>`;

  if (opt_name) {
    frame.setAttribute('name', opt_name);
  }

  if (opt_sandbox) {
    frame.setAttribute('sandbox', opt_sandbox.join(' '));
  }

  // Will propagate for every component, but only validation rules will actually
  // allow the attribute to be set.
  propagateAttributes(['referrerpolicy'], video.element, frame);

  frame.src = Services.urlForDoc(element).assertHttpsUrl(src, element);

  applyFillContent(frame);
  element.appendChild(frame);

  return frame;
}

/**
 * @param {?} anything