GitLab

Allows for narrower windows without causing scrollbar issues. Blink uses
800px when running layout tests.

Bug: 788337
Change-Id: I7abd46699d1d58511ec3489f180f8733d3f7f1c3
Reviewed-on: https://chromium-review.googlesource.com/808306Reviewed-by: Rune Lillesveen <futhark@chromium.org>
Commit-Queue: Morten Stenshorne <mstensho@chromium.org>
Cr-Commit-Position: refs/heads/master@{#521675}