Convert enable_mpeg2ts into a new-style buildflag

content/browser/media/media_source_browsertest.cc

 // Copyright (c) 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "base/command_line.h"
 #include "build/build_config.h"
 #include "content/browser/media/media_browsertest.h"
 #include "content/public/common/content_switches.h"
+#include "media/media_features.h"
 #if defined(OS_ANDROID)
 #include "base/android/build_info.h"
 #endif
 
 // Common media types.
 #if defined(USE_PROPRIETARY_CODECS) && !defined(OS_ANDROID)
 const char kAAC_ADTS_AudioOnly[] = "audio/aac";
 #endif
 const char kWebMAudioOnly[] = "audio/webm; codecs=\"vorbis\"";
 #if !defined(OS_ANDROID)
 const char kWebMOpusAudioOnly[] = "audio/webm; codecs=\"opus\"";
 #endif
 const char kWebMVideoOnly[] = "video/webm; codecs=\"vp8\"";
 const char kWebMAudioVideo[] = "video/webm; codecs=\"vorbis, vp8\"";
 
-#if defined(USE_PROPRIETARY_CODECS) && defined(ENABLE_MPEG2TS_STREAM_PARSER)
+#if defined(USE_PROPRIETARY_CODECS)
+#if BUILDFLAG(ENABLE_MSE_MPEG2TS_STREAM_PARSER)
 const char kMp2tAudioVideo[] = "video/mp2t; codecs=\"mp4a.40.2, avc1.42E01E\"";
 #endif
+#endif
 
 namespace content {
 
 // MSE is available on all desktop platforms and on Android 4.1 and later.
 static bool IsMSESupported() {
 #if defined(OS_ANDROID)
   if (base::android::BuildInfo::GetInstance()->sdk_int() < 16) {
     VLOG(0) << "MSE is only supported in Android 4.1 and later.";
     return false;
   }
@@ skipping 83 matching lines @@
     VLOG(0) << "Skipping test - MSE not supported.";
     return;
   }
   base::StringPairs query_params;
   query_params.push_back(std::make_pair("videoFormat", "CLEAR_WEBM"));
   query_params.push_back(std::make_pair("audioFormat", "CLEAR_MP4"));
   RunMediaTestPage("mse_different_containers.html", query_params, kEnded, true);
 }
 #endif
 
-#if defined(USE_PROPRIETARY_CODECS) && defined(ENABLE_MPEG2TS_STREAM_PARSER)
+#if defined(USE_PROPRIETARY_CODECS)
+#if BUILDFLAG(ENABLE_MSE_MPEG2TS_STREAM_PARSER)
 IN_PROC_BROWSER_TEST_F(MediaSourceTest, Playback_AudioVideo_Mp2t) {
   TestSimplePlayback("bear-1280x720.ts", kMp2tAudioVideo, kEnded);
 }
 #endif
+#endif
 }  // namespace content