FireLogger for Chrome is an extension that can substitute FireLogger. It is a fork of xifs/chrome-firelogger, however completely rewritten from scratch to work with the newest Chrome. It works great together with Tracy debugging tool, which also helps you to debug errors in AJAX calls.

1. Clone the repository and install an extension into Chrome (Tools - Extensions - Load unpacked extension...).
2. Open Developer Tools.
3. Messages are being logged into the Console tab.