Adding GetAudioInputDeviceNames to AudioManager, this function is supposed to do device enumerati...

media/audio/audio_device_name.h

+// Copyright (c) 2011 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 MEDIA_AUDIO_AUDIO_DEVICE_NAME_H_
+#define MEDIA_AUDIO_AUDIO_DEVICE_NAME_H_
+
+#include <list>
+#include <string>
+
+namespace media {
+
+struct AudioDeviceName {
+  std::string device_name;  // Name and also display name of the device.
+  std::string unique_id;    // Unique identifier for the device.
+};
+
+typedef std::list<AudioDeviceName> AudioDeviceNames;
+
+}  // namespace media
+
+#endif  // MEDIA_AUDIO_AUDIO_DEVICE_NAME_H_