This article is completely misleadingly titled. We should be celebrating this event, not damning it or striking fear into peoples hearts that there is a browser war brewing!
Google forks WebKit to remove extra code and make their browser faster and more reliable, easier to code, and generally better, without removing anything from WebKit. This is a good thing for Chrome, and by extension, everyone else.
Now WebKit actually RETURNS the favor to the world by removing Chrome-only code from WebKit, thereby making browsers based on it faster, more reliable, easier to code, and generally better. THIS IS A GOOD THING FOR WEBKIT, AND BY EXTENSION, EVERYONE ELSE!