Render inband text tracks in the media pipeline

media/filters/decrypting_demuxer_stream.cc

 // Copyright (c) 2012 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/decrypting_demuxer_stream.h"
 
 #include "base/bind.h"
 #include "base/callback_helpers.h"
 #include "base/location.h"
 #include "base/logging.h"
@@ skipping 105 matching lines @@
   CHECK_EQ(demuxer_stream_->type(), AUDIO);
   return audio_config_;
 }
 
 VideoDecoderConfig DecryptingDemuxerStream::video_decoder_config() {
   DCHECK(state_ != kUninitialized && state_ != kDecryptorRequested) << state_;
   CHECK_EQ(demuxer_stream_->type(), VIDEO);
   return video_config_;
 }
 
+TextTrackConfig DecryptingDemuxerStream::text_track_config() {
+  DCHECK(state_ != kUninitialized && state_ != kDecryptorRequested) << state_;
+  CHECK_EQ(demuxer_stream_->type(), TEXT);
+  return TextTrackConfig();
+}
+
 DemuxerStream::Type DecryptingDemuxerStream::type() {
   DCHECK(state_ != kUninitialized && state_ != kDecryptorRequested) << state_;
   return demuxer_stream_->type();
 }
 
 void DecryptingDemuxerStream::EnableBitstreamConverter() {
   demuxer_stream_->EnableBitstreamConverter();
 }
 
 DecryptingDemuxerStream::~DecryptingDemuxerStream() {
@@ skipping 206 matching lines @@
       break;
     }
 
     default:
       NOTREACHED();
       return;
   }
 }
 
 }  // namespace media