GitLab

Summary of changes available at:
https://chromium.googlesource.com/chromium/blink/+log/1175397..ef73ddc

TBR=arv@chromium.org,timvolodine@chromium.org

Review URL: https://codereview.chromium.org/960013003

Cr-Commit-Position: refs/heads/master@{#318181}