GitLab

The runtime flag GetUserMedia is no longer needed as
navigator.getUserMedia shipped in M53

BUG=607439

Change-Id: Id58babefdb6611e27021d0b2b1af2119d785bf8a
Reviewed-on: https://chromium-review.googlesource.com/c/1296594Reviewed-by: Miguel Casas <mcasas@chromium.org>
Commit-Queue: Rijubrata Bhaumik <rijubrata.bhaumik@intel.com>
Cr-Commit-Position: refs/heads/master@{#602336}