Remove MediaTracks::getFirstAudio/VideoConfig

media/base/media_tracks.cc

 // Copyright 2016 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.
 
 #include "media/base/media_tracks.h"
 
 #include "base/bind.h"
 #include "base/memory/ptr_util.h"
 #include "media/base/audio_decoder_config.h"
 #include "media/base/video_decoder_config.h"
@@ skipping 47 matching lines @@
 
 const VideoDecoderConfig& MediaTracks::getVideoConfig(
     StreamParser::TrackId bytestream_track_id) const {
   auto it = video_configs_.find(bytestream_track_id);
   if (it != video_configs_.end())
     return it->second;
   static VideoDecoderConfig invalidConfig;
   return invalidConfig;
 }
 
-const AudioDecoderConfig& MediaTracks::getFirstAudioConfig() const {
-  for (const auto& track : tracks()) {
-    if (track->type() == MediaTrack::Audio) {
-      return getAudioConfig(track->bytestream_track_id());
-    }
-  }
-  static AudioDecoderConfig invalidConfig;
-  return invalidConfig;
-}
-
-const VideoDecoderConfig& MediaTracks::getFirstVideoConfig() const {
-  for (const auto& track : tracks()) {
-    if (track->type() == MediaTrack::Video) {
-      return getVideoConfig(track->bytestream_track_id());
-    }
-  }
-  static VideoDecoderConfig invalidConfig;
-  return invalidConfig;
-}
-
 }  // namespace media