Revert 274823 "Support for audio output devices for getMediaDevi..."

content/public/common/media_stream_request.h

Index: content/public/common/media_stream_request.h
===================================================================
--- content/public/common/media_stream_request.h	(revision 278170)
+++ content/public/common/media_stream_request.h	(working copy)
@@ -38,11 +38,6 @@
   // TODO(sergeyu): Replace with MEDIA_DESKTOP_AUDIO_CAPTURE.
   MEDIA_LOOPBACK_AUDIO_CAPTURE,
 
-  // This is used for enumerating audio output devices.
-  // TODO(grunell): Output isn't really a part of media streams. Device
-  // enumeration should be decoupled from media streams and related code.
-  MEDIA_DEVICE_AUDIO_OUTPUT,
-
   NUM_MEDIA_TYPES
 };
 
@@ -82,7 +77,7 @@
 
 // Convenience predicates to determine whether the given type represents some
 // audio or some video device.
-CONTENT_EXPORT bool IsAudioInputMediaType(MediaStreamType type);
+CONTENT_EXPORT bool IsAudioMediaType(MediaStreamType type);
 CONTENT_EXPORT bool IsVideoMediaType(MediaStreamType type);
 
 // TODO(xians): Change the structs to classes.
@@ -157,7 +152,7 @@
   };
 
   // These below two member variables are valid only when the type of device is
-  // audio (i.e. IsAudioInputMediaType returns true).
+  // audio (i.e. IsAudioMediaType returns true).
 
   // Contains the device properties of the capture device.
   AudioDeviceParameters input;