GitLab

This should cause animations when entering and exiting
fullscreen mode.

Bug: None
Change-Id: I348e6283b3060abd98162878c5cb4b566e81cf13
Reviewed-on: https://chromium-review.googlesource.com/575879
Commit-Queue: Ian Vollick <vollick@chromium.org>
Reviewed-by: Christopher Grant <cjgrant@chromium.org>
Cr-Commit-Position: refs/heads/master@{#488071}