GitLab

This will allow to reuse the class in //webrunner when starting context
process.

Bug: 861853
Change-Id: I499850a7ba8df4b73e5f71b6a61568a5cfca1e6b
Reviewed-on: https://chromium-review.googlesource.com/c/1355764Reviewed-by: Tom Sepez <tsepez@chromium.org>
Reviewed-by: Wez <wez@chromium.org>
Reviewed-by: Charlie Reis <creis@chromium.org>
Commit-Queue: Sergey Ulanov <sergeyu@chromium.org>
Cr-Commit-Position: refs/heads/master@{#612494}