Add localized default audio device names.

media/audio/audio_manager.h

 // Copyright (c) 2012 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_MANAGER_H_
 #define MEDIA_AUDIO_AUDIO_MANAGER_H_
 
 #include <string>
 
 #include "base/basictypes.h"
@@ skipping 96 matching lines @@
   // Audio worker thread (see GetWorkerTaskRunner()).
   virtual void GetAudioInputDeviceNames(AudioDeviceNames* device_names) = 0;
 
   // Appends a list of available output devices to |device_names|,
   // which must initially be empty.
   //
   // Not threadsafe; in production this should only be called from the
   // Audio worker thread (see GetWorkerTaskRunner()).
   virtual void GetAudioOutputDeviceNames(AudioDeviceNames* device_names) = 0;
 
+  // Returns the localized name of the generic "default" device.
+  virtual std::string GetDefaultDeviceName() const = 0;
+
+  // Returns the localized name of the generic default communications device.
+  // This device is not supported on all platforms.
+  virtual std::string GetCommunicationsDeviceName() const = 0;
+
   // Factory for all the supported stream formats. |params| defines parameters
   // of the audio stream to be created.
   //
   // |params.sample_per_packet| is the requested buffer allocation which the
   // audio source thinks it can usually fill without blocking. Internally two
   // or three buffers are created, one will be locked for playback and one will
   // be ready to be filled in the call to AudioSourceCallback::OnMoreData().
   //
   // To create a stream for the default output device, pass an empty string
   // for |device_id|, otherwise the specified audio device will be opened.
@@ skipping 96 matching lines @@
  protected:
   AudioManager();
 
  private:
   DISALLOW_COPY_AND_ASSIGN(AudioManager);
 };
 
 }  // namespace media
 
 #endif  // MEDIA_AUDIO_AUDIO_MANAGER_H_