GitLab

Renderer needs to talk to the browser if browser is hosting viz, even
when running with mus. So make sure renderer talks to the right process
for viz-related communication.

BUG=786453

Change-Id: I3561d9f1d8ae14bc35a34125fd55df773afeeca1
Reviewed-on: https://chromium-review.googlesource.com/777439
Commit-Queue: Sadrul Chowdhury <sadrul@chromium.org>
Reviewed-by: Scott Violet <sky@chromium.org>
Reviewed-by: Fady Samuel <fsamuel@chromium.org>
Cr-Commit-Position: refs/heads/master@{#517704}