chromium/third_party/blink/web_tests/paint/invalidation/resources/selection-change-in-iframe-with-relative-parent-iframe.html

<!DOCTYPE html>
<script src="../../../resources/ahem.js"></script>
<style>
html {
    font: 10px Ahem;
    -webkit-font-smoothing: none;
}
</style>
Foo<br><br>Bar<br><br>Bazz<br><br>