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chromium/third_party/blink/web_tests/svg/custom/foreignObject-font-size-on-zoom.html 

<!DOCTYPE html>
<body style="zoom: 2; margin: 0">
  <svg width="100%" height="100%">
    <foreignObject x="0" y="0" width="100%" height="100%">
      Lorem ipsum
    </foreignObject>
  </svg>
</body>