GitLab

- Remove unused requesting_origin_
- Make destructor private
- Remove unused GetAcceptState() declaration

Change-Id: Ie8a8984d2a6975568cd8b26e57c0844c88acb594
Reviewed-on: https://chromium-review.googlesource.com/575737Reviewed-by: Raymes Khoury <raymes@chromium.org>
Commit-Queue: Timothy Loh <timloh@chromium.org>
Cr-Commit-Position: refs/heads/master@{#488120}