The geolocation_config mojo interface implemenation is hosted in //content/browser/service_manager/common_browser_interfaces.cc, it should be moved to be hosted by device service.

The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/95e51a93db90cddbc7ba0e3b81af13ea1a9d4c81

commit 95e51a93db90cddbc7ba0e3b81af13ea1a9d4c81
Author: Ke He <ke.he@intel.com>
Date: Tue Jan 09 03:28:33 2018

Migrate geolocation_config interface to be hosted by Device Service.

Migrate geolocation_config interface to be hosted by Device Service, to
make Geolocation-core be decoupled from //content. So we can move the
Geolocation-core into //services/device and make it an internal
implementation in next step.

BUG= 725065 

Change-Id: I98d803f9bf83689d6bce71f93108619aa9414390
Reviewed-on: https://chromium-review.googlesource.com/835659
Reviewed-by: Brandon Jones <bajones@chromium.org>
Reviewed-by: Tom Sepez <tsepez@chromium.org>
Reviewed-by: Ken Rockot <rockot@chromium.org>
Reviewed-by: Colin Blundell <blundell@chromium.org>
Commit-Queue: Ke He <ke.he@intel.com>
Cr-Commit-Position: refs/heads/master@{#527891}
[modify] https://crrev.com/95e51a93db90cddbc7ba0e3b81af13ea1a9d4c81/chrome/browser/android/vr_shell/vr_shell.cc
[modify] https://crrev.com/95e51a93db90cddbc7ba0e3b81af13ea1a9d4c81/chrome/browser/chrome_content_browser_manifest_overlay.json
[modify] https://crrev.com/95e51a93db90cddbc7ba0e3b81af13ea1a9d4c81/content/browser/service_manager/common_browser_interfaces.cc
[modify] https://crrev.com/95e51a93db90cddbc7ba0e3b81af13ea1a9d4c81/content/public/app/mojo/content_browser_manifest.json
[modify] https://crrev.com/95e51a93db90cddbc7ba0e3b81af13ea1a9d4c81/device/geolocation/geolocation_config.cc
[modify] https://crrev.com/95e51a93db90cddbc7ba0e3b81af13ea1a9d4c81/device/geolocation/geolocation_config.h
[modify] https://crrev.com/95e51a93db90cddbc7ba0e3b81af13ea1a9d4c81/services/device/device_service.cc
[modify] https://crrev.com/95e51a93db90cddbc7ba0e3b81af13ea1a9d4c81/services/device/device_service.h
[modify] https://crrev.com/95e51a93db90cddbc7ba0e3b81af13ea1a9d4c81/services/device/manifest.json