GitLab

Summary of changes available at:
https://chromium.googlesource.com/chromium/blink/+log/ce0377c..50a87e2

TBR=gavinp@chromium.org,johnme@chromium.org

Review URL: https://codereview.chromium.org/826623002

Cr-Commit-Position: refs/heads/master@{#309621}