Implemented passing media track info from ffmpeg into blink

media/test/pipeline_integration_test_base.cc

Index: media/test/pipeline_integration_test_base.cc
diff --git a/media/test/pipeline_integration_test_base.cc b/media/test/pipeline_integration_test_base.cc
index 11da971031b7d1cc701d2bd7496c0f0601eacd33..346c59214ded937ec4281b63c2b97f91a2117061 100644
--- a/media/test/pipeline_integration_test_base.cc
+++ b/media/test/pipeline_integration_test_base.cc
@@ -10,6 +10,7 @@
 #include "base/memory/scoped_vector.h"
 #include "media/base/cdm_context.h"
 #include "media/base/media_log.h"
+#include "media/base/media_tracks.h"
 #include "media/base/test_data_util.h"
 #include "media/filters/chunk_demuxer.h"
 #if !defined(MEDIA_DISABLE_FFMPEG)
@@ -76,6 +77,11 @@ void PipelineIntegrationTestBase::DemuxerEncryptedMediaInitDataCB(
   encrypted_media_init_data_cb_.Run(type, init_data);
 }
 
+void PipelineIntegrationTestBase::DemuxerMediaTracksUpdatedCB(
+    scoped_ptr<MediaTracks> tracks) {
+  CHECK(tracks);
+}
+
 void PipelineIntegrationTestBase::OnEnded() {
   DCHECK(!ended_);
   ended_ = true;
@@ -240,10 +246,14 @@ void PipelineIntegrationTestBase::CreateDemuxer(const std::string& filename) {
       base::Bind(&PipelineIntegrationTestBase::DemuxerEncryptedMediaInitDataCB,
                  base::Unretained(this));
 
+  Demuxer::MediaTracksUpdatedCB tracks_updated_cb =
+      base::Bind(&PipelineIntegrationTestBase::DemuxerMediaTracksUpdatedCB,
+                 base::Unretained(this));
+
 #if !defined(MEDIA_DISABLE_FFMPEG)
-  demuxer_ = scoped_ptr<Demuxer>(
-      new FFmpegDemuxer(message_loop_.task_runner(), data_source_.get(),
-                        encrypted_media_init_data_cb, new MediaLog()));
+  demuxer_ = scoped_ptr<Demuxer>(new FFmpegDemuxer(
+      message_loop_.task_runner(), data_source_.get(),
+      encrypted_media_init_data_cb, tracks_updated_cb, new MediaLog()));
 #endif
 }