Fix test before enabling WebFrameMessaging by default.

Change-Id: I16db21a934b01fbad0df7fdfbe303e55912a02fd
Reviewed-on: https://chromium-review.googlesource.com/c/1473177
Reviewed-by: Eugene But <eugenebut@chromium.org>
Commit-Queue: Olivier Robin <olivierrobin@chromium.org>
Cr-Commit-Position: refs/heads/master@{#632555}
4 files changed