GitLab

This change displays serial port permissions the user has granted to
sites in chrome://settings/content/serialPorts.

Bug: 908836
Change-Id: I49570dc785d6de395160ffbb4541e7203cda9357
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1453363
Commit-Queue: Reilly Grant <reillyg@chromium.org>
Reviewed-by: Dan Beam <dbeam@chromium.org>
Cr-Commit-Position: refs/heads/master@{#644436}