GitLab

Network conditions management is now done in content, so support for
this in headless is redundant.

Change-Id: I559de2c65e659c026b7e8e9d9021340e6271af92
Reviewed-on: https://chromium-review.googlesource.com/1255610Reviewed-by: Dmitry Gozman <dgozman@chromium.org>
Commit-Queue: Andrey Kosyakov <caseq@chromium.org>
Cr-Commit-Position: refs/heads/master@{#595637}