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chromium
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chromium/chrome/test/data/ssl/page_with_unsafe_popup.html 

<html>
This page opens a popup on an insecure page.
<script>
  window.open('https://REPLACE_WITH_HOST_AND_PORT/ssl/bad_iframe.html', 'Portnawak',
              "status = 1, height = 300, width = 300, resizable = 0" );
</script>
</html>