GitLab

Summary of changes available at:
https://chromium.googlesource.com/chromium/blink/+log/4a32005..d1c56f0

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

Review URL: https://codereview.chromium.org/658253003

Cr-Commit-Position: refs/heads/master@{#300077}