As far as I know it isn't possible to block ads inside the Android Chrome browser? Only way to do that is using your own DNS, but that would work both on native and progressive apps.
Correct me if I'm wrong, I'd love to block ads inside my Chrome browser.
I doubt that's going to last much longer now that they're rewriting the whole website, or at least I hope that's the case. (see the huge pro/contra CSS discussion)