Material design is now available from the Chrome Dev channel For those who'd like a preview just download it from here. After installing go to chrome://flags and use CTRL + F -> Material to find the options needed. restart and there you go Keep in mind that the dev channel is even more experimental than the beta channel! I'm not responsible for anything.
Just a do a ctrl + h or ctrl + f, you'll see the difference The tabs etc are also "flat". Not that I care much, just thought it would be fun to share.