GitLab

removes assertions that (unneccesarily) assume getUserMedia returns something else than what was requested

BUG=836871

Change-Id: If8f52f259ea924bdc9ac68a854c34188f3f56cda
Reviewed-on: https://chromium-review.googlesource.com/1105528Reviewed-by: Henrik Boström <hbos@chromium.org>
Commit-Queue: Henrik Boström <hbos@chromium.org>
Cr-Commit-Position: refs/heads/master@{#568407}