GitLab

Support global configuration options being read from /config/data.
This allows some WebEngine properties to be tailored to suit the
specific device and system configuration.

Initially two options are provided, to control availability of
protected memory for video playback.

Bug: fuchsia:41143
Change-Id: I5222b956fcce33ae49d575cdd308388310fa80b6
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1907474
Commit-Queue: Sergey Ulanov <sergeyu@chromium.org>
Reviewed-by: Wez <wez@chromium.org>
Reviewed-by: David Dorwin <ddorwin@chromium.org>
Cr-Commit-Position: refs/heads/master@{#714703}