Add live mode detection in WebM MediaSource parser.

media/formats/common/stream_parser_test_base.cc

Index: media/formats/common/stream_parser_test_base.cc
diff --git a/media/formats/common/stream_parser_test_base.cc b/media/formats/common/stream_parser_test_base.cc
index cf739a54872765c9b86597c17e604765a5391bb6..fafb77408f81bae93d71cbac5744efb3899c71fe 100644
--- a/media/formats/common/stream_parser_test_base.cc
+++ b/media/formats/common/stream_parser_test_base.cc
@@ -75,11 +75,12 @@ bool StreamParserTestBase::AppendDataInPieces(const uint8* data,
 void StreamParserTestBase::OnInitDone(bool success,
                                       base::TimeDelta duration,
                                       base::Time wallclock_timeline_offset,
-                                      bool auto_update_timestamp_offset) {
+                                      bool auto_update_timestamp_offset,
+                                      bool live_mode) {
   EXPECT_TRUE(auto_update_timestamp_offset);
   DVLOG(1) << __FUNCTION__ << "(" << success << ", "
            << duration.InMilliseconds() << ", " << auto_update_timestamp_offset
-           << ")";
+           << ", " << live_mode << ")";
 }
 
 bool StreamParserTestBase::OnNewConfig(