Author here. Yes, the Chromium code is very good, and I learned a lot from reading the Servo code as well. We hope to do some more advanced chapters at the end

Author here. Yes, the Chromium code is very good, and I learned a lot from reading the Servo code as well. We hope to do some more advanced chapters at the end of the book that reference real browser code bases more directly—if we can find an interesting way to write them, anyway.