chromium/third_party/blink/manual_tests/window-print-subframe.html

<p style="height: 2000px">
This text in the main frame should not be printed
when the sub frame (scroll  down to see it) initiates printing.
</p>
<iframe srcdoc="
  <p>This <a href='#target'>link</a> in the subframe should be printed.</p>
  <button onclick='print()'>Print</button>
  <p>In the saved pdf, clicking the above link should navigate to the page containing 'TARGET'</p>
  <div style='height: 2000px'></div>
  <a name='target'>TARGET</a>
  <div style='height: 2000px'></div>
  <script>
    setTimeout(function() { window.print(); }, 500);
  </script>">
</iframe>