GitLab

Summary of changes available at:
https://chromium.googlesource.com/chromium/blink/+log/2b06b87..c8c9c60

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

Review URL: https://codereview.chromium.org/663943002

Cr-Commit-Position: refs/heads/master@{#300208}