Remove libibus dependency from config relate stuff.

chromeos/dbus/mock_dbus_thread_manager_without_gmock.cc

Index: chromeos/dbus/mock_dbus_thread_manager_without_gmock.cc
diff --git a/chromeos/dbus/mock_dbus_thread_manager_without_gmock.cc b/chromeos/dbus/mock_dbus_thread_manager_without_gmock.cc
index 424392bf688efa7ac32ab6e0acadc20adb3df022..61e751cd7fe9e8c62cbb2dca2f8ac03084fbfccb 100644
--- a/chromeos/dbus/mock_dbus_thread_manager_without_gmock.cc
+++ b/chromeos/dbus/mock_dbus_thread_manager_without_gmock.cc
@@ -6,6 +6,7 @@
 
 #include "chromeos/dbus/dbus_thread_manager_observer.h"
 #include "chromeos/dbus/ibus/mock_ibus_client.h"
+#include "chromeos/dbus/ibus/mock_ibus_config_client.h"
 #include "chromeos/dbus/ibus/mock_ibus_engine_factory_service.h"
 #include "chromeos/dbus/ibus/mock_ibus_engine_service.h"
 #include "chromeos/dbus/ibus/mock_ibus_input_context_client.h"
@@ -202,6 +203,10 @@ IBusClient* MockDBusThreadManagerWithoutGMock::GetIBusClient() {
   return mock_ibus_client_.get();
 }
 
+IBusConfigClient* MockDBusThreadManagerWithoutGMock::GetIBusConfigClient() {
+  return mock_ibus_config_client_.get();
+}
+
 IBusInputContextClient*
     MockDBusThreadManagerWithoutGMock::GetIBusInputContextClient() {
   return mock_ibus_input_context_client_.get();