Render inband text tracks in the media pipeline

media/tools/demuxer_bench/demuxer_bench.cc

Index: media/tools/demuxer_bench/demuxer_bench.cc
diff --git a/media/tools/demuxer_bench/demuxer_bench.cc b/media/tools/demuxer_bench/demuxer_bench.cc
index ab8b313c435c1213eab9a676504c175bc4fc830b..541835c6aeddbfde14b6c8bd9d1e261ef3666334 100644
--- a/media/tools/demuxer_bench/demuxer_bench.cc
+++ b/media/tools/demuxer_bench/demuxer_bench.cc
@@ -37,6 +37,10 @@ class DemuxerHostImpl : public media::DemuxerHost {
   // DemuxerHost implementation.
   virtual void SetDuration(base::TimeDelta duration) OVERRIDE {}
   virtual void OnDemuxerError(media::PipelineStatus error) OVERRIDE {}
+  virtual void AddTextStream(media::DemuxerStream* text_stream,
+                             media::TextKind kind,
+                             const std::string& label,
+                             const std::string& language) OVERRIDE {}
 
  private:
   DISALLOW_COPY_AND_ASSIGN(DemuxerHostImpl);
@@ -198,6 +202,7 @@ int main(int argc, char** argv) {
   media::FFmpegDemuxer demuxer(message_loop.message_loop_proxy(),
                                &data_source,
                                need_key_cb,
+                               true,  // enable inband text tracks
                                new media::MediaLog());
 
   demuxer.Initialize(&demuxer_host, base::Bind(
@@ -224,6 +229,8 @@ int main(int argc, char** argv) {
       std::cout << "audio";
     } else if (stream->type() == media::DemuxerStream::VIDEO) {
       std::cout << "video";
+    } else if (stream->type() == media::DemuxerStream::TEXT) {
+      std::cout << "text";
     } else {
       std::cout << "unknown";
     }