device/bluetooth:Implement Register() for BluetoothAudioSinkChromeOS.

device/bluetooth/bluetooth_adapter_chromeos.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_CHROMEOS_H_
 #define DEVICE_BLUETOOTH_BLUETOOTH_ADAPTER_CHROMEOS_H_
 
 #include <queue>
 #include <string>
 #include <utility>
@@ skipping 164 matching lines @@
   void OnRegisterAgent();
   void OnRegisterAgentError(const std::string& error_name,
                             const std::string& error_message);
 
   // Called by dbus:: on completion of the D-Bus method call to request that
   // the pairing agent be made the default.
   void OnRequestDefaultAgent();
   void OnRequestDefaultAgentError(const std::string& error_name,
                                   const std::string& error_message);
 
+  // Called by BluetoothAudioSinkChromeOS on completion of registering an audio
+  // sink.
+  void OnRegisterAudioSink(
+      const device::BluetoothAdapter::AcquiredCallback& callback,
+      scoped_refptr<device::BluetoothAudioSink> audio_sink);
+
   // Internal method to obtain a BluetoothPairingChromeOS object for the device
   // with path |object_path|. Returns the existing pairing object if the device
   // already has one (usually an outgoing connection in progress) or a new
   // pairing object with the default pairing delegate if not. If no default
   // pairing object exists, NULL will be returned.
   BluetoothPairingChromeOS* GetPairing(const dbus::ObjectPath& object_path);
 
   // Set the tracked adapter to the one in |object_path|, this object will
   // subsequently operate on that adapter until it is removed.
   void SetAdapter(const dbus::ObjectPath& object_path);
@@ skipping 83 matching lines @@
   // Note: This should remain the last member so it'll be destroyed and
   // invalidate its weak pointers before any other members are destroyed.
   base::WeakPtrFactory<BluetoothAdapterChromeOS> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(BluetoothAdapterChromeOS);
 };
 
 }  // namespace chromeos
 
 #endif  // DEVICE_BLUETOOTH_BLUETOOTH_ADAPTER_CHROMEOS_H_