Enable WebFrameMessaging by default.

The cleaning will be in a follow-up CL.

Change-Id: Id058caf478bfc2b81972786fd026689503a02669
Reviewed-on: https://chromium-review.googlesource.com/c/1470194
Commit-Queue: Olivier Robin <olivierrobin@chromium.org>
Reviewed-by: Eugene But <eugenebut@chromium.org>
Reviewed-by: Mike Dougherty <michaeldo@chromium.org>
Cr-Commit-Position: refs/heads/master@{#632582}
1 file changed