GitLab

Also, add this mitigation to the browser process.

BUG=870463

Change-Id: I1e749a4ede0b41cca69f60262fd878c57ed35564
Reviewed-on: https://chromium-review.googlesource.com/1162581Reviewed-by: Penny MacNeil <pennymac@chromium.org>
Commit-Queue: Will Harris <wfh@chromium.org>
Cr-Commit-Position: refs/heads/master@{#581067}