> But there are a ton of early startups that only have bandwidth to support chrome/chromium in their complex webapps and want a quick way to port their web app to desktop app.

Ugh!

People writing web apps without supporting anything else than Chrome should burn in hell. (And that's a pretty useless decision anyway since “supporting chrome” really means supporting two engines: Chromium and WebKit, because Chrome on iOS uses WebKit internally …)