The DSE should also appear in the list of sites with location permissions. (Site Settings > Location)

Hmm yes. Emily, any comments about just adding the dse in these two places?

SGTM

Punting to Tim

The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/ed44c4013f117b63bba25b8c1af3500120c06228

commit ed44c4013f117b63bba25b8c1af3500120c06228
Author: Timothy Loh <timloh@chromium.org>
Date: Thu Aug 10 05:28:06 2017

Ensure the DSE is in the list of all sites / sites with location permissions

Bug:  734469 
Change-Id: I4a29e439697ceac725b23354fd4dee38a03f5192
Reviewed-on: https://chromium-review.googlesource.com/604774
Reviewed-by: Ben Wells <benwells@chromium.org>
Reviewed-by: Bernhard Bauer <bauerb@chromium.org>
Commit-Queue: Timothy Loh <timloh@chromium.org>
Cr-Commit-Position: refs/heads/master@{#493270}
[modify] https://crrev.com/ed44c4013f117b63bba25b8c1af3500120c06228/chrome/browser/android/preferences/website_preference_bridge.cc
[modify] https://crrev.com/ed44c4013f117b63bba25b8c1af3500120c06228/chrome/browser/android/search_geolocation/search_geolocation_service.cc
[modify] https://crrev.com/ed44c4013f117b63bba25b8c1af3500120c06228/chrome/browser/android/search_geolocation/search_geolocation_service.h