GitLab

Summary of changes available at:
https://chromium.googlesource.com/chromium/blink/+log/4d068d4..5108083

TBR=zmo@chromium.org,hiroshige@chromium.org

Review URL: https://codereview.chromium.org/945813004

Cr-Commit-Position: refs/heads/master@{#317754}