Add ConfigureService constant to service_constants.h

BUG=chromium-os:22003
TEST=none

Change-Id: I78dc13c3634a4236170cec011bf750b8e69cf111
diff --git a/dbus/service_constants.h b/dbus/service_constants.h
index d29bc62..f07e6d4 100644
--- a/dbus/service_constants.h
+++ b/dbus/service_constants.h
@@ -220,6 +220,8 @@
 const char kChangePinFunction[] = "ChangePin";
 const char kProposeScanFunction[] = "ProposeScan";
 const char kRegisterFunction[] = "Register";
+const char kConfigureServiceFunction[] = "ConfigureService";
+const char kConfigureWifiServiceFunction[] = "ConfigureWifiService";
 
 // Flimflam Service property names.
 const char kSecurityProperty[] = "Security";