GitLab

Adds a WasActivatedOption to allow embedders to override the
`was_activated` logic for browser initiated navigations.

This is for when a user activation occurs on a surface outside
of the page and we want this to be passed to a navigation as if
this had occured on a previous page.

BUG=884777

Change-Id: Ifc7ce9352c3736d9e5c5c7d6909b3c5b2ead0cd8
Reviewed-on: https://chromium-review.googlesource.com/1228502Reviewed-by: Camille Lamy <clamy@chromium.org>
Reviewed-by: Greg Kerr <kerrnel@chromium.org>
Reviewed-by: Peter Kasting <pkasting@chromium.org>
Commit-Queue: Becca Hughes <beccahughes@chromium.org>
Cr-Commit-Position: refs/heads/master@{#593614}