GitLab

Changes:
CloseBrowserSynchronously is provided in InProcessBrowserTest, we
should prefer to use it.

Bug: 268984
Change-Id: I0988d31b87d77eff2d714641e8327974aaa01d53
Reviewed-on: https://chromium-review.googlesource.com/1006524
Commit-Queue: Qiang Xu <warx@google.com>
Reviewed-by: Scott Violet <sky@chromium.org>
Cr-Commit-Position: refs/heads/master@{#549963}