This is welcomed news! Too bad though on the Apple default browser requirement.
While it may not be a perfect solution, a bookmarklet to open in Chrome would be an acceptable work around. If you click a link from say Mail app, it would open in safari by default. A tap on the bookmarklet would open it in Chrome. It's extra tap, but not too bad in my opinion.
http://www.icab.de/blog/2009/09/07/calling-icab-mobile-from-within-safari-on-the-iphone/