GitLab

Summary of changes available at:
https://chromium.googlesource.com/chromium/blink/+log/1772da1..774a6cb

TBR=caseq@chromium.org,apavlov@chromium.org,cbiesinger@chromium.org

Review URL: https://codereview.chromium.org/649183004

Cr-Commit-Position: refs/heads/master@{#299315}