[webnfc] Add default implementation for nfc mojo service.

content/content_browser.gypi

 # 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.
 
 {
   'dependencies': [
     '../base/base.gyp:base_static',
     '../cc/cc.gyp:cc',
     '../cc/cc.gyp:cc_surfaces',
     '../components/components.gyp:display_compositor',
     '../components/leveldb/leveldb.gyp:leveldb_lib',
     '../components/mime_util/mime_util.gyp:mime_util',
     '../components/scheduler/scheduler.gyp:scheduler_common',
     '../components/url_formatter/url_formatter.gyp:url_formatter',
     '../crypto/crypto.gyp:crypto',
     '../device/battery/battery.gyp:device_battery',
     '../device/battery/battery.gyp:device_battery_mojo_bindings',
+    '../device/nfc/nfc.gyp:device_nfc_mojo',
+    '../device/nfc/nfc.gyp:device_nfc_mojo_bindings',
     '../device/bluetooth/bluetooth.gyp:device_bluetooth',
     '../device/usb/usb.gyp:device_usb',
     '../device/vibration/vibration.gyp:device_vibration',
     '../device/vibration/vibration.gyp:device_vibration_mojo_bindings',
     '../gin/gin.gyp:gin',
     '../google_apis/google_apis.gyp:google_apis',
     '../gpu/gpu.gyp:gpu',
     '../gpu/gpu.gyp:gpu_ipc_client',
     '../gpu/gpu.gyp:gpu_ipc_common',
     '../mojo/mojo_base.gyp:mojo_geometry_lib',
@@ skipping 2177 matching lines @@
     ['enable_webvr==1 and OS=="android"', {
       'sources': [
         'browser/vr/android/cardboard/cardboard_vr_device.cc',
         'browser/vr/android/cardboard/cardboard_vr_device.h',
         'browser/vr/android/cardboard/cardboard_vr_device_provider.cc',
         'browser/vr/android/cardboard/cardboard_vr_device_provider.h',
       ],
     }],
   ],
 }