GitLab

Mark Extensions.ThrottledNetworkRequests as obsolete. It has been
expired since 2018-08. We haven't been looking at it lately, and we
can always add it back later if we need it again.

Bug: 878106
Change-Id: I24fc5e7105976da3cbfbfeb52110e8483edc7c8a
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1600859Reviewed-by: Karan Bhatia <karandeepb@chromium.org>
Reviewed-by: Ilya Sherman <isherman@chromium.org>
Commit-Queue: Devlin <rdevlin.cronin@chromium.org>
Cr-Commit-Position: refs/heads/master@{#658275}