Codebase Browser
chromium
Go to App

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

<!DOCTYPE html>
<html>
  <head>
    <title>Outer iframe</title>
  </head>
  <body>
    <p><a href="#two">Two</a></p>
    <iframe src="inner.html"></iframe>
  </body>
</html>