Add live mode detection in WebM MediaSource parser.

media/formats/mp2t/mp2t_stream_parser_unittest.cc

Index: media/formats/mp2t/mp2t_stream_parser_unittest.cc
diff --git a/media/formats/mp2t/mp2t_stream_parser_unittest.cc b/media/formats/mp2t/mp2t_stream_parser_unittest.cc
index 660792f1d2bbeb066be76fd13a222d7eb359eb14..c4947ba1cee84857bda5737983a18893824c6d69 100644
--- a/media/formats/mp2t/mp2t_stream_parser_unittest.cc
+++ b/media/formats/mp2t/mp2t_stream_parser_unittest.cc
@@ -60,10 +60,12 @@ class Mp2tStreamParserTest : public testing::Test {
   void OnInit(bool init_ok,
               base::TimeDelta duration,
               base::Time wallclock_timeline_offset,
-              bool auto_update_timestamp_offset) {
+              bool auto_update_timestamp_offset,
+              bool live_mode) {
     DVLOG(1) << "OnInit: ok=" << init_ok
              << ", dur=" << duration.InMilliseconds()
-             << ", autoTimestampOffset=" << auto_update_timestamp_offset;
+             << ", autoTimestampOffset=" << auto_update_timestamp_offset
+             << ", liveMode=" << live_mode;
   }
 
   bool OnNewConfig(const AudioDecoderConfig& ac,