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

content/renderer/media/media_stream_dispatcher.cc

Index: content/renderer/media/media_stream_dispatcher.cc
===================================================================
--- content/renderer/media/media_stream_dispatcher.cc	(revision 278170)
+++ content/renderer/media/media_stream_dispatcher.cc	(working copy)
@@ -137,8 +137,7 @@
     const GURL& security_origin) {
   DCHECK(main_loop_->BelongsToCurrentThread());
   DCHECK(type == MEDIA_DEVICE_AUDIO_CAPTURE ||
-         type == MEDIA_DEVICE_VIDEO_CAPTURE ||
-         type == MEDIA_DEVICE_AUDIO_OUTPUT);
+         type == MEDIA_DEVICE_VIDEO_CAPTURE);
   DVLOG(1) << "MediaStreamDispatcher::EnumerateDevices("
            << request_id << ")";
 
@@ -299,7 +298,7 @@
     return;
   }
   Stream* stream = &it->second;
-  if (IsAudioInputMediaType(device_info.device.type))
+  if (IsAudioMediaType(device_info.device.type))
     RemoveStreamDeviceFromArray(device_info, &stream->audio_array);
   else
     RemoveStreamDeviceFromArray(device_info, &stream->video_array);
@@ -337,7 +336,7 @@
     if (request.ipc_request == request_id) {
       Stream new_stream;
       new_stream.handler = request.handler;
-      if (IsAudioInputMediaType(device_info.device.type)) {
+      if (IsAudioMediaType(device_info.device.type)) {
         new_stream.audio_array.push_back(device_info);
       } else if (IsVideoMediaType(device_info.device.type)) {
         new_stream.video_array.push_back(device_info);