Added switch that let us 'un-stub' certain dbus clients.

chromeos/chromeos.gyp

Index: chromeos/chromeos.gyp
diff --git a/chromeos/chromeos.gyp b/chromeos/chromeos.gyp
index 872a7821d8ef430255264561a3cba3405dd92755..0cf0cf20d46fa8fd9366f5f835c2af3b4cd2f03a 100644
--- a/chromeos/chromeos.gyp
+++ b/chromeos/chromeos.gyp
@@ -114,6 +114,8 @@
         'dbus/cros_disks_client.h',
         'dbus/cryptohome_client.cc',
         'dbus/cryptohome_client.h',
+        'dbus/dbus_client_bundle.h',
+        'dbus/dbus_client_bundle.cc',
         'dbus/dbus_client_implementation_type.h',
         'dbus/dbus_method_call_status.cc',
         'dbus/dbus_method_call_status.h',
@@ -203,6 +205,8 @@
         'dbus/introspectable_client.h',
         'dbus/lorgnette_manager_client.cc',
         'dbus/lorgnette_manager_client.h',
+        'dbus/mixed_dbus_thread_manager.cc',
+        'dbus/mixed_dbus_thread_manager.h',
         'dbus/modem_messaging_client.cc',
         'dbus/modem_messaging_client.h',
         'dbus/nfc_adapter_client.cc',
@@ -534,6 +538,7 @@
         'cryptohome/system_salt_getter_unittest.cc',
         'dbus/blocking_method_caller_unittest.cc',
         'dbus/cros_disks_client_unittest.cc',
+        'dbus/dbus_client_bundle_unittest.cc',
         'dbus/gsm_sms_client_unittest.cc',
         'dbus/introspectable_client_unittest.cc',
         'dbus/modem_messaging_client_unittest.cc',