Codebase Browser
chromium
Go to App

chromium/third_party/blink/web_tests/external/wpt/css/cssom-view/scrollTop-display-change-ref.html 

<!doctype html>
<meta charset=utf-8>
<div id="scroller" style="height: 100px; overflow: scroll">
  <div style="height: 1000px">
    I should be visible.
  </div>
  I should not be visible.
</div>