GitLab

When CloudExtensionRequestEnabled policy is set to true, all extensions
are blocked by default. User can send request for block-by-default
extension to admin.

Bug: 1006899
Change-Id: I715ece27267bc38d894ffaee2c143fe8b200e430
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1872816Reviewed-by: Karan Bhatia <karandeepb@chromium.org>
Commit-Queue: Owen Min <zmin@chromium.org>
Cr-Commit-Position: refs/heads/master@{#709255}