GitLab

Summary of changes available at:
https://chromium.googlesource.com/chromium/blink/+log/56de9f8..433f657

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

Review URL: https://codereview.chromium.org/680103002

Cr-Commit-Position: refs/heads/master@{#301406}