Codebase Browser
chromium
Go to App

chromium/chrome/test/data/web_apps/page1.html 

<!DOCTYPE html>
<html>
<head>
  <link rel="icon" href="basic-48.png">
</head>
<body>
  <h1>Simple page with no manifest, to serve as an in-scope page.</h1>
</body>
</html>