> WebTorrent is designed to match the BitTorrent protocol as closely as possible, so when the time comes, existing BitTorrent clients can easily add WebRTC support and swarm with web-based torrent clients, "bridging" the web and non-web worlds. [1]

[1] https://news.ycombinator.com/item?id=8280436

For Firefox, probably. I don't think Chrome extensions allow you to use sockets.

EDIT: confirmed: https://code.google.com/p/chromium/issues/detail?id=152875