GitLab

Summary of changes available at:
https://chromium.googlesource.com/chromium/blink/+log/50a87e2..c22662b

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

Review URL: https://codereview.chromium.org/818363003

Cr-Commit-Position: refs/heads/master@{#309622}