Function writeFriendlyFrame

test/integration/test-amphtml-ads.js:493–497

* Write the HTML page into the provided iframe then add it to the document.

(doc, iframe, adContent)

 * Write the HTML page into the provided iframe then add it to the document.
 */
function writeFriendlyFrame(doc, iframe, adContent) {
  doc.body.appendChild(iframe);
  iframe.contentDocument.write(adContent);
  iframe.contentDocument.close();
}

/**
 * Write the HTML page into the provided iframe, turn it into a safe frame