GitLab

WebView didn't previously log the synthetic trial for isolated splits,
and may not have supported synthetic trials at all previously. This
matches the setup in chrome_browser_main.cc.

Bug: 1150162
Change-Id: I837c6b04059fcbd34248ebbe372bd08374f58b65
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2605007Reviewed-by: Nate Fischer <ntfschr@chromium.org>
Commit-Queue: Clark DuVall <cduvall@chromium.org>
Cr-Commit-Position: refs/heads/master@{#840269}