extension_install_sources_test.html

<!DOCTYPE html>
<html>
<body>
<a style="position: absolute; left: 0px; top: 0px; width: 1px; height: 1px;"
    href="/extensions/good.crx"></a>
<a style="position: absolute; left: 1px; top: 0px; width: 1px; height: 1px;"
    href="/extensions/simple_with_icon.crx"></a>
</body>
</html>

chromium/chrome/test/data/policy/extension_install_sources_test.html