Adds metronome time sync dbus client

chromeos/chromeos.gyp

 # Copyright (c) 2012 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 {
   'variables': {
     'chromium_code': 1,
     # These files lists are shared with the GN build.
     'chromeos_sources': [
       'accelerometer/accelerometer_reader.cc',
@@ skipping 182 matching lines @@
       'dbus/gsm_sms_client.cc',
       'dbus/gsm_sms_client.h',
       'dbus/image_burner_client.cc',
       'dbus/image_burner_client.h',
       'dbus/introspectable_client.cc',
       'dbus/introspectable_client.h',
       'dbus/leadership_daemon_manager_client.cc',
       'dbus/leadership_daemon_manager_client.h',
       'dbus/lorgnette_manager_client.cc',
       'dbus/lorgnette_manager_client.h',
+      'dbus/metronome_client.cc',
+      'dbus/metronome_client.h',
       'dbus/modem_messaging_client.cc',
       'dbus/modem_messaging_client.h',
       'dbus/nfc_adapter_client.cc',
       'dbus/nfc_adapter_client.h',
       'dbus/nfc_client_helpers.cc',
       'dbus/nfc_client_helpers.h',
       'dbus/nfc_device_client.cc',
       'dbus/nfc_device_client.h',
       'dbus/nfc_manager_client.cc',
       'dbus/nfc_manager_client.h',
@@ skipping 487 matching lines @@
         '../third_party/cros_system_api/dbus/cryptohome/signed_secret.proto',
       ],
       'variables': {
         'proto_in_dir': '../third_party/cros_system_api/dbus/cryptohome',
         'proto_out_dir': 'chromeos/cryptohome',
       },
       'includes': ['../build/protoc.gypi'],
     },
   ],
 }