Integrate audio dbus api: GetNodes.

chromeos/dbus/mock_cras_audio_client.h

 // Copyright (c) 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 CHROMEOS_DBUS_MOCK_CRAS_AUDIO_CLIENT_H_
 #define CHROMEOS_DBUS_MOCK_CRAS_AUDIO_CLIENT_H_
 
 #include "chromeos/dbus/cras_audio_client.h"
 #include "testing/gmock/include/gmock/gmock.h"
 
 namespace chromeos {
 
 class MockCrasAudioClient : public CrasAudioClient {
  public:
   MockCrasAudioClient();
   virtual ~MockCrasAudioClient();
 
   MOCK_METHOD1(AddObserver, void(Observer*));
   MOCK_METHOD1(RemoveObserver, void(Observer*));
   MOCK_METHOD1(HasObserver, bool(Observer*));
   MOCK_METHOD1(GetVolumeState, void(const GetVolumeStateCallback&));
+  MOCK_METHOD1(GetNodes, void(const GetNodesCallback&));
   MOCK_METHOD1(SetOutputVolume, void(int32));
   MOCK_METHOD1(SetOutputMute, void(bool));
   MOCK_METHOD1(SetInputGain, void(int32));
   MOCK_METHOD1(SetInputMute, void(bool));
   MOCK_METHOD1(SetActiveOutputNode, void(uint64));
   MOCK_METHOD1(SetActiveInputNode, void(uint64));
 
  private:
   DISALLOW_COPY_AND_ASSIGN(MockCrasAudioClient);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROMEOS_DBUS_MOCK_CRAS_AUDIO_CLIENT_H_