Remove MediaTracks::getFirstAudio/VideoConfig

media/base/media_tracks.h

Index: media/base/media_tracks.h
diff --git a/media/base/media_tracks.h b/media/base/media_tracks.h
index 2d7431bcd9efed4b4e169d8d4bcd45c722635fc4..c7bfa8ce9486b14c3e555974d80a47cee944e57a 100644
--- a/media/base/media_tracks.h
+++ b/media/base/media_tracks.h
@@ -48,11 +48,6 @@ class MEDIA_EXPORT MediaTracks {
   const VideoDecoderConfig& getVideoConfig(
       StreamParser::TrackId bytestream_track_id) const;
 
-  // TODO(servolk): These are temporary helpers useful until all code paths are
-  // converted to properly handle multiple media tracks.
-  const AudioDecoderConfig& getFirstAudioConfig() const;
-  const VideoDecoderConfig& getFirstVideoConfig() const;
-
  private:
   MediaTracksCollection tracks_;
   std::map<StreamParser::TrackId, AudioDecoderConfig> audio_configs_;