Drop transpilation for chrome extension

[paulirish]

We may want to get rid of the transpilation to make dev a bit more sane.

I'm curious about using https://github.com/JamesMGreene/breq (require() polyfill via sync xhr).

Thoughts?

---

(Unrelatedly, doing the work in the background page will be easier to debug than doing it in popup.html).

[paullewis]

Yeah, I think the only thing we need transpilation for is the require step, so I'd be game for us switching it out.

[paulirish]

imagine the headlines when they realize that the performance advocates rely on synchronous network calls. 👅

[samccone]

I think it might look something like this