Implement support for vp9 in ISO-BMFF

media/base/key_systems.cc

Index: media/base/key_systems.cc
diff --git a/media/base/key_systems.cc b/media/base/key_systems.cc
index 6c2c8c2db31312b7074a4cc816a4ce3f9fb1a765..95599a07bc3c5e510b795d96e94054ad855c4ddc 100644
--- a/media/base/key_systems.cc
+++ b/media/base/key_systems.cc
@@ -18,6 +18,7 @@
 #include "media/base/key_systems_support_uma.h"
 #include "media/base/media_client.h"
 #include "media/cdm/key_system_names.h"
+#include "media/media_features.h"
 #include "third_party/widevine/cdm/widevine_cdm_common.h"
 
 namespace media {
@@ -58,6 +59,10 @@ static NamedCodec kCodecStrings[] = {
     {"vp9", EME_CODEC_WEBM_VP9},
     {"vp9.0", EME_CODEC_WEBM_VP9},
 #if defined(USE_PROPRIETARY_CODECS)
+#if BUILDFLAG(ENABLE_MP4_VP8_VP9_DEMUXING)
+    {"vp08", EME_CODEC_MP4_VP8},
+    {"vp09", EME_CODEC_MP4_VP9},
+#endif
     {"mp4a", EME_CODEC_MP4_AAC},
     {"avc1", EME_CODEC_MP4_AVC1},
     {"avc3", EME_CODEC_MP4_AVC1}