Allow mp3 audio codec for mpeg2ts containers in MSE

media/test/pipeline_integration_test.cc

Index: media/test/pipeline_integration_test.cc
diff --git a/media/test/pipeline_integration_test.cc b/media/test/pipeline_integration_test.cc
index 8f618567feb98c60045f47c61e66dff9b4578d49..051a758b68201eaf1dd5afe89e7262dda17f4bba 100644
--- a/media/test/pipeline_integration_test.cc
+++ b/media/test/pipeline_integration_test.cc
@@ -2134,6 +2134,34 @@ TEST_F(PipelineIntegrationTest, Mp2ts_AAC_HE_SBR_Audio) {
 #endif
 }
 
+TEST_F(PipelineIntegrationTest, Mpeg2ts_MP3Audio_Mp4a_6B) {
+  MockMediaSource source("bear-audio-mp4a.6B.ts",
+                         "video/mp2t; codecs=\"mp4a.6B\"", kAppendWholeFile);
+#if BUILDFLAG(ENABLE_MSE_MPEG2TS_STREAM_PARSER)
+  EXPECT_EQ(PIPELINE_OK, StartPipelineWithMediaSource(&source));
+  source.EndOfStream();
+  ASSERT_EQ(PIPELINE_OK, pipeline_status_);
+#else
+  EXPECT_EQ(
+      DEMUXER_ERROR_COULD_NOT_OPEN,
+      StartPipelineWithMediaSource(&source, kExpectDemuxerFailure, nullptr));
+#endif
+}
+
+TEST_F(PipelineIntegrationTest, Mpeg2ts_MP3Audio_Mp4a_69) {
+  MockMediaSource source("bear-audio-mp4a.69.ts",
+                         "video/mp2t; codecs=\"mp4a.69\"", kAppendWholeFile);
+#if BUILDFLAG(ENABLE_MSE_MPEG2TS_STREAM_PARSER)
+  EXPECT_EQ(PIPELINE_OK, StartPipelineWithMediaSource(&source));
+  source.EndOfStream();
+  ASSERT_EQ(PIPELINE_OK, pipeline_status_);
+#else
+  EXPECT_EQ(
+      DEMUXER_ERROR_COULD_NOT_OPEN,
+      StartPipelineWithMediaSource(&source, kExpectDemuxerFailure, nullptr));
+#endif
+}
+
 TEST_F(PipelineIntegrationTest,
        MAYBE_EME(EncryptedPlayback_NoEncryptedFrames_MP4_CENC_AudioOnly)) {
   MockMediaSource source("bear-1280x720-a_frag-cenc_clear-all.mp4", kMP4Audio,