Convert enable_mpeg2ts into a new-style buildflag

media/filters/stream_parser_factory.cc

Index: media/filters/stream_parser_factory.cc
diff --git a/media/filters/stream_parser_factory.cc b/media/filters/stream_parser_factory.cc
index fc3257b139d04ce08b50f0633c28c25de552965f..48c5d6b4f792a7c4ae888fdecfb0f2133e22a2f2 100644
--- a/media/filters/stream_parser_factory.cc
+++ b/media/filters/stream_parser_factory.cc
@@ -14,13 +14,14 @@
 #include "media/formats/mpeg/adts_stream_parser.h"
 #include "media/formats/mpeg/mpeg1_audio_stream_parser.h"
 #include "media/formats/webm/webm_stream_parser.h"
+#include "media/media_features.h"
 
 #if defined(OS_ANDROID)
 #include "base/android/build_info.h"
 #endif
 
 #if defined(USE_PROPRIETARY_CODECS)
-#if defined(ENABLE_MPEG2TS_STREAM_PARSER)
+#if BUILDFLAG(ENABLE_MSE_MPEG2TS_STREAM_PARSER)
 #include "media/formats/mp2t/mp2t_stream_parser.h"
 #endif
 #include "media/formats/mp4/es_descriptor.h"
@@ -231,7 +232,7 @@ static StreamParser* BuildADTSParser(const std::vector<std::string>& codecs,
   return new ADTSStreamParser();
 }
 
-#if defined(ENABLE_MPEG2TS_STREAM_PARSER)
+#if BUILDFLAG(ENABLE_MSE_MPEG2TS_STREAM_PARSER)
 static const CodecInfo* kVideoMP2TCodecs[] = {
   &kH264AVC1CodecInfo,
   &kH264AVC3CodecInfo,
@@ -268,7 +269,7 @@ static const SupportedTypeInfo kSupportedTypeInfo[] = {
   { "audio/mpeg", &BuildMP3Parser, kAudioMP3Codecs },
   { "video/mp4", &BuildMP4Parser, kVideoMP4Codecs },
   { "audio/mp4", &BuildMP4Parser, kAudioMP4Codecs },
-#if defined(ENABLE_MPEG2TS_STREAM_PARSER)
+#if BUILDFLAG(ENABLE_MSE_MPEG2TS_STREAM_PARSER)
   { "video/mp2t", &BuildMP2TParser, kVideoMP2TCodecs },
 #endif
 #endif