http://www.chromium.org/blink/developer-faq http://www.chromium.org/blink/developer-faq has a bit more information, as does http://www.chromium.org/blink#archit

http://www.chromium.org/blink/developer-faq http://www.chromium.org/blink/developer-faq has a bit more information, as does http://www.chromium.org/blink#architectural-changes http://www.chromium.org/blink#architectural-changes. There really are good architectural reasons to go in this direction.