Use StreamParser::TrackId instead of string for MediaTrack::byteStreamTrackId

media/filters/media_source_state.cc

 // Copyright (c) 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/filters/media_source_state.h"
 
 #include "base/callback_helpers.h"
 #include "base/stl_util.h"
 #include "media/base/media_track.h"
 #include "media/base/media_tracks.h"
@@ skipping 462 matching lines @@
   return false;
 }
 
 bool MediaSourceState::OnNewConfigs(
     bool allow_audio,
     bool allow_video,
     std::unique_ptr<MediaTracks> tracks,
     const StreamParser::TextTrackConfigMap& text_configs) {
   DCHECK_GE(state_, PENDING_PARSER_CONFIG);
   DCHECK(tracks.get());
+
   media_tracks_ = std::move(tracks);
   const AudioDecoderConfig& audio_config = media_tracks_->getFirstAudioConfig();
   const VideoDecoderConfig& video_config = media_tracks_->getFirstVideoConfig();
 
   DVLOG(1) << "OnNewConfigs(" << allow_audio << ", " << allow_video << ", "
            << audio_config.IsValidConfig() << ", "
            << video_config.IsValidConfig() << ")";
   // MSE spec allows new configs to be emitted only during Append, but not
   // during Flush or parser reset operations.
   CHECK(append_in_progress_);
@@ skipping 246 matching lines @@
 
 void MediaSourceState::OnSourceInitDone(
     const StreamParser::InitParameters& params) {
   DCHECK_EQ(state_, PENDING_PARSER_INIT);
   state_ = PARSER_INITIALIZED;
   auto_update_timestamp_offset_ = params.auto_update_timestamp_offset;
   base::ResetAndReturn(&init_cb_).Run(params);
 }
 
 }  // namespace media