bluetooth: mac: Initial BluetoothRemoteGattCharacteristicMac implementation

device/bluetooth/bluetooth.gyp

 # Copyright 2013 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,
   },
   'targets': [
     {
@@ skipping 85 matching lines @@
         'bluetooth_low_energy_discovery_manager_mac.h',
         'bluetooth_low_energy_discovery_manager_mac.mm',
         'bluetooth_low_energy_peripheral_delegate.mm',
         'bluetooth_low_energy_peripheral_delegate.h',
         'bluetooth_low_energy_win.cc',
         'bluetooth_low_energy_win.h',
         'bluetooth_remote_gatt_characteristic.cc',
         'bluetooth_remote_gatt_characteristic.h',
         'bluetooth_remote_gatt_characteristic_android.cc',
         'bluetooth_remote_gatt_characteristic_android.h',
+        'bluetooth_remote_gatt_characteristic_mac.h',
+        'bluetooth_remote_gatt_characteristic_mac.mm',
         'bluetooth_remote_gatt_characteristic_win.cc',
         'bluetooth_remote_gatt_characteristic_win.h',
         'bluetooth_remote_gatt_descriptor.cc',
         'bluetooth_remote_gatt_descriptor.h',
         'bluetooth_remote_gatt_descriptor_android.cc',
         'bluetooth_remote_gatt_descriptor_android.h',
         'bluetooth_remote_gatt_descriptor_win.cc',
         'bluetooth_remote_gatt_descriptor_win.h',
         'bluetooth_remote_gatt_service.cc',
         'bluetooth_remote_gatt_service.h',
@@ skipping 389 matching lines @@
             '../../mojo/mojo_public.gyp:mojo_cpp_bindings',
             'bluetooth_interfaces_blink_mojom',
             'bluetooth_interfaces_mojom',
             'device_bluetooth',
           ],
         },
       ],
     }],
   ],
 }