subpage_linknav.html | Explore in Territory

<!DOCTYPE html>
<html>
  <head>
    <meta charset="UTF-8">
    <title>Sub Page of Link Navigation</title>
  </head>
  <body>
    <iframe width="200" height="200" src="frame_test.html"></iframe>
    <button id="aa1" onclick="alert('Hi')"> alert</button>
  </body>
</html>

chromium/chrome/test/data/chromedriver/subpage_linknav.html