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>
 #include <vector>
 
 #include "base/memory/weak_ptr.h"
 #include "base/sequenced_task_runner.h"
 #include "chromeos/dbus/bluetooth_adapter_client.h"
 #include "chromeos/dbus/bluetooth_agent_service_provider.h"
 #include "chromeos/dbus/bluetooth_device_client.h"
 #include "chromeos/dbus/bluetooth_input_client.h"
 #include "dbus/object_path.h"
 #include "device/bluetooth/bluetooth_adapter.h"
 #include "device/bluetooth/bluetooth_audio_sink.h"
+#include "device/bluetooth/bluetooth_audio_sink_chromeos.h"
 #include "device/bluetooth/bluetooth_device.h"
 #include "device/bluetooth/bluetooth_export.h"
 
 namespace device {
 class BluetoothSocketThread;
 }  // namespace device
 
 namespace chromeos {
 
+class BluetoothAudioSinkChromeOS;
 class BluetoothChromeOSTest;
 class BluetoothDeviceChromeOS;
 class BluetoothPairingChromeOS;
 class BluetoothRemoteGattCharacteristicChromeOS;
 class BluetoothRemoteGattDescriptorChromeOS;
 class BluetoothRemoteGattServiceChromeOS;
 
 // The BluetoothAdapterChromeOS class implements BluetoothAdapter for the
 // Chrome OS platform.
 class DEVICE_BLUETOOTH_EXPORT BluetoothAdapterChromeOS
@@ skipping 75 matching lines @@
   const dbus::ObjectPath& object_path() const { return object_path_; }
 
  protected:
   // BluetoothAdapter:
   void RemovePairingDelegateInternal(
       device::BluetoothDevice::PairingDelegate* pairing_delegate) override;
 
  private:
   friend class base::DeleteHelper<BluetoothAdapterChromeOS>;
   friend class BluetoothChromeOSTest;
+  friend class BluetoothAudioSinkChromeOSTest;

[armansito, 2015/01/27 04:38:05]

Is the friendship really necessary?

 
   // typedef for callback parameters that are passed to AddDiscoverySession
   // and RemoveDiscoverySession. This is used to queue incoming requests while
   // a call to BlueZ is pending.
   typedef std::pair<base::Closure, ErrorCallback> DiscoveryCallbackPair;
   typedef std::queue<DiscoveryCallbackPair> DiscoveryCallbackQueue;
 
   BluetoothAdapterChromeOS();
   ~BluetoothAdapterChromeOS() override;
 
@@ skipping 39 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_