chromeos/dbus/services/org.chromium.LibCrosService.conf

<!DOCTYPE busconfig PUBLIC "-//freedesktop//DTD D-BUS Bus Configuration 1.0//EN"
  "http://www.freedesktop.org/standards/dbus/1.0/busconfig.dtd">
<!--
  Copyright (c) 2011 The Chromium Authors. All rights reserved.
  Use of this source code is governed by a BSD-style license that can be
  found in the LICENSE file.

  This file will be installed at /etc/dbus-1/system.d on Chromium OS.
-->
<busconfig>
  <policy user="chronos">
    <allow own="org.chromium.LibCrosService"/>
    <allow receive_sender="org.chromium.LibCrosService"/>
    <allow send_destination="org.chromium.LibCrosService"/>
  </policy>

  <!-- bluez makes agent method calls to Chromium. -->
  <policy user="bluetooth">
    <allow send_destination="org.chromium.LibCrosService"/>
  </policy>

  <!-- tlsdate needs to query proxy config. -->
  <policy user="tlsdate">
    <allow send_destination="org.chromium.LibCrosService"/>
  </policy>

  <!-- powerd needs to change display power states. -->
  <policy user="power">
    <allow send_destination="org.chromium.LibCrosService"/>
  </policy>

  <!-- update_engine uses this service to resolve the proxy config. -->
  <policy user="root">
    <allow send_destination="org.chromium.LibCrosService"/>
  </policy>
</busconfig>