Codebase Browser
chromium
Go to App

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

<html>
<head><title>Test Page for ChromeDownloadDirTest</title></head>
<body>
<a id='red-dot' href="anchor_download_test.png" download='a_red_dot.png'>Download Red Dot!</a>
</body>
</html>