GitLab

As the test html has a border-right-width, so should the
reference.

BUG=1134184
TEST=test only change

Change-Id: I7dc96193feae66b743160af33c572a24bd1c45e9
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2447090Reviewed-by: Ian Kilpatrick <ikilpatrick@chromium.org>
Commit-Queue: Scott Violet <sky@chromium.org>
Cr-Commit-Position: refs/heads/master@{#814454}