Basic media tracks implementation for media stream parsers

media/formats/mp4/mp4_stream_parser_unittest.cc

Index: media/formats/mp4/mp4_stream_parser_unittest.cc
diff --git a/media/formats/mp4/mp4_stream_parser_unittest.cc b/media/formats/mp4/mp4_stream_parser_unittest.cc
index bd1ae91d2b36f4045d3426785d40282a270f382a..e2a4c734d28d7f8d685771cf6e75cceccdf7c21f 100644
--- a/media/formats/mp4/mp4_stream_parser_unittest.cc
+++ b/media/formats/mp4/mp4_stream_parser_unittest.cc
@@ -15,6 +15,8 @@
 #include "base/time/time.h"
 #include "media/base/audio_decoder_config.h"
 #include "media/base/decoder_buffer.h"
+#include "media/base/media_track.h"
+#include "media/base/media_tracks.h"
 #include "media/base/mock_media_log.h"
 #include "media/base/stream_parser_buffer.h"
 #include "media/base/test_data_util.h"
@@ -96,14 +98,12 @@ class MP4StreamParserTest : public testing::Test {
     EXPECT_EQ(expected_liveness, params.liveness);
   }
 
-  bool NewConfigF(const AudioDecoderConfig& ac,
-                  const VideoDecoderConfig& vc,
+  bool NewConfigF(scoped_ptr<MediaTracks> tracks,
                   const StreamParser::TextTrackConfigMap& tc) {
-    DVLOG(1) << "NewConfigF: audio=" << ac.IsValidConfig()
-             << ", video=" << vc.IsValidConfig();
+    DVLOG(1) << "NewConfigF: tracks=" << tracks->tracks().size();
     configs_received_ = true;
-    audio_decoder_config_ = ac;
-    video_decoder_config_ = vc;
+    audio_decoder_config_ = tracks->getFirstAudioConfig();
+    video_decoder_config_ = tracks->getFirstVideoConfig();

[wolenetz, 2016/02/26 00:06:21]

ditto: let's preserve also the previous DVLOG(1) functionality (though
s/ac/audio_decoder_config_/ and s/vc/.../ in it, of course

[servolk, 2016/02/26 01:56:33]

Done.

     return true;
   }