Implement create attribute API functions for BTLE.

device/bluetooth/bluetooth_adapter_mac.h

 // 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.
 
 #ifndef DEVICE_BLUETOOTH_BLUETOOTH_ADAPTER_MAC_H_
 #define DEVICE_BLUETOOTH_BLUETOOTH_ADAPTER_MAC_H_
 
 #include <IOKit/IOReturn.h>
 
 #include <memory>
@@ skipping 67 matching lines @@
       const CreateServiceCallback& callback,
       const CreateServiceErrorCallback& error_callback) override;
   void RegisterAudioSink(
       const BluetoothAudioSink::Options& options,
       const AcquiredCallback& callback,
       const BluetoothAudioSink::ErrorCallback& error_callback) override;
   void RegisterAdvertisement(
       std::unique_ptr<BluetoothAdvertisement::Data> advertisement_data,
       const CreateAdvertisementCallback& callback,
       const CreateAdvertisementErrorCallback& error_callback) override;
+  BluetoothLocalGattService* GetGattService(
+      const std::string& identifier) const override;
 
   // BluetoothDiscoveryManagerMac::Observer overrides:
   void ClassicDeviceFound(IOBluetoothDevice* device) override;
   void ClassicDiscoveryStopped(bool unexpected) override;
 
   // Registers that a new |device| has connected to the local host.
   void DeviceConnected(IOBluetoothDevice* device);
 
   // We only use CoreBluetooth when OS X >= 10.10. This because the
   // CBCentralManager destructor was found to crash on the mac_chromium_rel_ng
@@ skipping 102 matching lines @@
   scoped_refptr<base::SequencedTaskRunner> ui_task_runner_;
 
   base::WeakPtrFactory<BluetoothAdapterMac> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(BluetoothAdapterMac);
 };
 
 }  // namespace device
 
 #endif  // DEVICE_BLUETOOTH_BLUETOOTH_ADAPTER_MAC_H_