GitLab

This is needed to correctly isolate any DNS requests made by PPAPI in
the context of one page from those made in the context of other pages.

Bug: 1021661
Change-Id: Ibbca8db7df8c7e61cb9522630e70c8ccd365b5c7
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2008050
Commit-Queue: Matt Menke <mmenke@chromium.org>
Reviewed-by: Raymes Khoury <raymes@chromium.org>
Cr-Commit-Position: refs/heads/master@{#734094}