ash/dbus/org.chromium.LivenessService.conf

<!DOCTYPE busconfig PUBLIC "-//freedesktop//DTD D-BUS Bus Configuration 1.0//EN"
  "http://www.freedesktop.org/standards/dbus/1.0/busconfig.dtd">
<!--
  Copyright 2017 The Chromium Authors
  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 /opt/google/chrome/dbus on Chromium OS.
-->
<busconfig>
  <policy user="chronos">
    <allow own="org.chromium.LivenessService"/>
  </policy>

  <!--- TODO(b/289228842): Remove the policy for root. -->
  <policy user="root">
    <allow send_destination="org.chromium.LivenessService"
           send_interface="org.chromium.LivenessServiceInterface"/>
  </policy>

  <!-- session_manager is the user of LivenessService APIs. -->
  <policy user="session_manager">
    <allow send_destination="org.chromium.LivenessService"
           send_interface="org.chromium.LivenessServiceInterface"/>
  </policy>

</busconfig>