GitLab

Update the last few tests that used it to pass the browser context
around in other ways.

TBR=sky@chromium.org

Bug: 826374
Change-Id: Ic6de0e33b8ccc20ab84a0dcf8309cc103595f5f5
Reviewed-on: https://chromium-review.googlesource.com/1112666
Commit-Queue: Evan Stade <estade@chromium.org>
Reviewed-by: James Cook <jamescook@chromium.org>
Cr-Commit-Position: refs/heads/master@{#569902}