GitLab

Move files that are still used in the network service code
path to the /network_service directory.

The idea is that the old /net directory is going to eventually
disappear.

BUG=989842,989104

Change-Id: I28a39353a9b4f4d6cecf04fb78df328272cfdefa
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1733547
Commit-Queue: Tim Volodine <timvolodine@chromium.org>
Reviewed-by: Richard Coles <torne@chromium.org>
Cr-Commit-Position: refs/heads/master@{#683658}