GitLab

The browser tests related to download directory policy are moved to
a separated file.

Bug: 1002483
Change-Id: I52ecbbc65bdc43b62c1ad4d13149084f0382bed7
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2547443
Commit-Queue: Saurabh Nijhara <snijhara@google.com>
Reviewed-by: Roman Sorokin [CET] <rsorokin@chromium.org>
Cr-Commit-Position: refs/heads/master@{#829211}