iframe-print.html | Explore in Territory

<html>
<script>
  if (window.testRunner)
    testRunner.setPrinting();
</script>
<body>
  <iframe src="./resources/iframe-subframe.html" frameborder="1" height="100"></iframe>
  <iframe src="./resources/iframe-subframe-vertical-rl.html" frameborder="1" height="300"></iframe>
</body>
</html>

chromium/third_party/blink/web_tests/printing/iframe-print.html