The following revision refers to this bug:
  https://chromium.googlesource.com/chromiumos/platform/system_api/+/054c50d2fb2c1c2fb42957459e0b275e376d2776

commit 054c50d2fb2c1c2fb42957459e0b275e376d2776
Author: Reilly Grant <reillyg@chromium.org>
Date: Thu Jul 19 19:14:05 2018

system_api: Remove permission_broker RequestPathAccess method

This method has been removed from the permission_broker's DBus API.

BUG=chromium:863566
TEST=cros_workon_make system_api --test

Change-Id: I4005a605006eb29597e9b065e7848e0fdeeadb85
Reviewed-on: https://chromium-review.googlesource.com/1137057
Commit-Ready: ChromeOS CL Exonerator Bot <chromiumos-cl-exonerator@appspot.gserviceaccount.com>
Tested-by: Reilly Grant <reillyg@chromium.org>
Reviewed-by: Dan Erat <derat@chromium.org>

[modify] https://crrev.com/054c50d2fb2c1c2fb42957459e0b275e376d2776/dbus/permission_broker/dbus-constants.h

I have a pile of unlanded patches to do this but I was having a lot of trouble getting them reviewed and checked in in the right order so I put it on the back burner. I can put links here if you would like to pick it up.

The following revision refers to this bug:
  https://chromium.googlesource.com/chromiumos/docs/+/c1851ddfa692973defd72c3c4d2299e45d2d586f

commit c1851ddfa692973defd72c3c4d2299e45d2d586f
Author: Eric Caruso <ejcaruso@chromium.org>
Date: Wed Nov 28 00:29:20 2018

permission_broker: Remove references to devbroker-access group

This is now unused and deprecated.

BUG=chromium:863566
TEST=None

Change-Id: I3e089cca30822a1a224b72fcee0d4dcd2681ef42
Reviewed-on: https://chromium-review.googlesource.com/1351556
Commit-Ready: Eric Caruso <ejcaruso@chromium.org>
Tested-by: Eric Caruso <ejcaruso@chromium.org>
Reviewed-by: Mike Frysinger <vapier@chromium.org>

[modify] https://crrev.com/c1851ddfa692973defd72c3c4d2299e45d2d586f/sandboxing.md

The following revision refers to this bug:
  https://chromium.googlesource.com/chromiumos/platform2/+/e40c56215fc88d9c00d4bc359d9bbe16ec94f8fa

commit e40c56215fc88d9c00d4bc359d9bbe16ec94f8fa
Author: Reilly Grant <reillyg@chromium.org>
Date: Fri Nov 30 03:31:18 2018

permission_broker: Remove unused RequestPathAccess method

This method has been deprecated in favor of OpenPath but has not been
removed. Removing this method allows us to also remove the
devbroker-access group.

BUG=chromium:863566
TEST=Compiled and ran unit tests.
Change-Id: I0c5735652a7bde6f451699cede8638a2f3388d72
Reviewed-on: https://chromium-review.googlesource.com/1136469
Commit-Ready: Eric Caruso <ejcaruso@chromium.org>
Tested-by: Eric Caruso <ejcaruso@chromium.org>
Reviewed-by: Dan Erat <derat@chromium.org>

[modify] https://crrev.com/e40c56215fc88d9c00d4bc359d9bbe16ec94f8fa/permission_broker/dbus_bindings/org.chromium.PermissionBroker.xml
[modify] https://crrev.com/e40c56215fc88d9c00d4bc359d9bbe16ec94f8fa/permission_broker/permission_broker.conf
[modify] https://crrev.com/e40c56215fc88d9c00d4bc359d9bbe16ec94f8fa/permission_broker/permission_broker_main.cc
[modify] https://crrev.com/e40c56215fc88d9c00d4bc359d9bbe16ec94f8fa/permission_broker/permission_broker.cc
[modify] https://crrev.com/e40c56215fc88d9c00d4bc359d9bbe16ec94f8fa/permission_broker/dbus/org.chromium.PermissionBroker.conf
[modify] https://crrev.com/e40c56215fc88d9c00d4bc359d9bbe16ec94f8fa/permission_broker/permission_broker.h

There are three more patches needed to remove the devbroker-access group:

 * https://chromium-review.googlesource.com/c/chromiumos/overlays/eclass-overlay/+/1136497
 * https://chromium-review.googlesource.com/c/chromiumos/chromite/+/1137104
 * https://chromium-review.googlesource.com/c/chromiumos/overlays/chromiumos-overlay/+/1137065

Sure, I didn't know if this was in scope for this bug or not.