chromeos: Add power management policy prefs.

chromeos/dbus/dbus_thread_manager.h

Index: chromeos/dbus/dbus_thread_manager.h
diff --git a/chromeos/dbus/dbus_thread_manager.h b/chromeos/dbus/dbus_thread_manager.h
index f1631233e6322df2a8dc93a51db16536648ca281..cbdd610d5a2a3652a7a58cd000c950460bee80fb 100644
--- a/chromeos/dbus/dbus_thread_manager.h
+++ b/chromeos/dbus/dbus_thread_manager.h
@@ -46,6 +46,7 @@ class IntrospectableClient;
 class ModemMessagingClient;
 class PermissionBrokerClient;
 class PowerManagerClient;
+class PowerPolicyController;
 class SMSClient;
 class SessionManagerClient;
 class ShillDeviceClient;
@@ -137,6 +138,7 @@ class CHROMEOS_EXPORT DBusThreadManager {
   virtual ModemMessagingClient* GetModemMessagingClient() = 0;
   virtual PermissionBrokerClient* GetPermissionBrokerClient() = 0;
   virtual PowerManagerClient* GetPowerManagerClient() = 0;
+  virtual PowerPolicyController* GetPowerPolicyController() = 0;
   virtual SessionManagerClient* GetSessionManagerClient() = 0;
   virtual ShillDeviceClient* GetShillDeviceClient() = 0;
   virtual ShillIPConfigClient* GetShillIPConfigClient() = 0;