GitLab

Summary of changes available at:
https://chromium.googlesource.com/chromium/blink/+log/a6ad902..7557b3f

TBR=cbiesinger@chromium.org,keishi@chromium.org

Review URL: https://codereview.chromium.org/1071763004

Cr-Commit-Position: refs/heads/master@{#324385}