GitLab

Summary of changes available at:
https://chromium.googlesource.com/chromium/blink/+log/f55332d..b27ee88

TBR=leviw@chromium.org,rjwright@chromium.org

Review URL: https://codereview.chromium.org/884703002

Cr-Commit-Position: refs/heads/master@{#313493}