GitLab

Summary of changes available at:
https://chromium.googlesource.com/chromium/blink/+log/b71ff8c..5ce3b1a

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

Review URL: https://codereview.chromium.org/608743002

Cr-Commit-Position: refs/heads/master@{#296929}