What's lacking in Chrome's dev tools compared to Firefox? Are we talking native dev tools, or including Firebug and etc in the Firefox camp. Its been my experie

What's lacking in Chrome's dev tools compared to Firefox? Are we talking native dev tools, or including Firebug and etc in the Firefox camp. Its been my experience that all these valuable extensions get performance hits more and more as Firefox has begun to frown lately, further adding to the decline in quality UX. The fact that Chrome developer tools are built-in and seamlessly integrated is what makes it my primary.