Re-land: Add localized default audio device names.

media/audio/audio_manager.h

Index: media/audio/audio_manager.h
diff --git a/media/audio/audio_manager.h b/media/audio/audio_manager.h
index 37399739f9323385b4e7653644afa7c0a180be14..4da250df2d7403f9dbb42d37a833417153b15f2b 100644
--- a/media/audio/audio_manager.h
+++ b/media/audio/audio_manager.h
@@ -79,6 +79,13 @@ class MEDIA_EXPORT AudioManager {
   // like src/chrome.
   static AudioManager* Get();
 
+  // Returns the localized name of the generic "default" device.
+  static std::string GetDefaultDeviceName();
+
+  // Returns the localized name of the generic default communications device.
+  // This device is not supported on all platforms.
+  static std::string GetCommunicationsDeviceName();
+
   // Returns true if the OS reports existence of audio devices. This does not
   // guarantee that the existing devices support all formats and sample rates.
   virtual bool HasAudioOutputDevices() = 0;