chromium/third_party/blink/web_tests/external/wpt/web-share/share-url-empty-manual.https.html

<!DOCTYPE html>
<html>
  <head>
    <meta charset="utf-8">
    <title>WebShare Test: Share with empty URL</title>
    <script src="/resources/testharness.js"></script>
    <script src="/resources/testharnessreport.js"></script>
    <script src="resources/manual-helper.js"></script>
  </head>
  <body>
    <script>
        setup({explicit_timeout: true});

        setupManualShareTest({title: '', text: '', url: document.baseURI});
        callWhenButtonClicked(() => navigator.share({url: ''}));
    </script>
  </body>
</html>