[nfriedly]

I think you're mistaken about localhost, this works fine for me on localhost:3000

    navigator.getUserMedia({
        video: true, 
        audio: true
      },
      console.log.bind(console, 'success'),
      console.log.bind(console, 'error')
    );

Chrome v50.0.2661.94 (64-bit) on OS X