Support MPEG1 audio in the MPEG2-TS stream parser.

media/BUILD.gn

Index: media/BUILD.gn
diff --git a/media/BUILD.gn b/media/BUILD.gn
index 50aa797d5699adf78e76f1d8a7c579f1a38717f4..d9c49616cc82427f1ee587b3da72832b82668f55 100644
--- a/media/BUILD.gn
+++ b/media/BUILD.gn
@@ -369,6 +369,8 @@ component("media") {
       "formats/mp2t/es_parser_adts.h",
       "formats/mp2t/es_parser_h264.cc",
       "formats/mp2t/es_parser_h264.h",
+      "formats/mp2t/es_parser_mpeg1audio.cc",
+      "formats/mp2t/es_parser_mpeg1audio.h",
       "formats/mp2t/mp2t_common.h",
       "formats/mp2t/mp2t_stream_parser.cc",
       "formats/mp2t/mp2t_stream_parser.h",
@@ -405,10 +407,10 @@ component("media") {
       "formats/mpeg/adts_constants.h",
       "formats/mpeg/adts_stream_parser.cc",
       "formats/mpeg/adts_stream_parser.h",
-      "formats/mpeg/mp3_stream_parser.cc",
-      "formats/mpeg/mp3_stream_parser.h",
       "formats/mpeg/mpeg_audio_stream_parser_base.cc",
       "formats/mpeg/mpeg_audio_stream_parser_base.h",
+      "formats/mpeg/mpeg1_audio_stream_parser.cc",
+      "formats/mpeg/mpeg1_audio_stream_parser.h",
     ]
   }
 
@@ -536,6 +538,7 @@ test("media_unittests") {
       "formats/mp2t/es_adapter_video_unittest.cc",
       "formats/mp2t/es_parser_adts_unittest.cc",
       "formats/mp2t/es_parser_h264_unittest.cc",
+      "formats/mp2t/es_parser_mpeg1audio_unittest.cc",
       "formats/mp2t/es_parser_test_base.cc",
       "formats/mp2t/es_parser_test_base.h",
       "formats/mp2t/mp2t_stream_parser_unittest.cc",
@@ -547,7 +550,7 @@ test("media_unittests") {
       "formats/mp4/sample_to_group_iterator_unittest.cc",
       "formats/mp4/track_run_iterator_unittest.cc",
       "formats/mpeg/adts_stream_parser_unittest.cc",
-      "formats/mpeg/mp3_stream_parser_unittest.cc",
+      "formats/mpeg/mpeg1_audio_stream_parser_unittest.cc",
     ]
   }