Add IsSupportedAudioConfig in MediaClient

media/base/decode_capabilities.h

Index: media/base/decode_capabilities.h
diff --git a/media/base/decode_capabilities.h b/media/base/decode_capabilities.h
index f9f144f56793a21dc7c091d0b34df26ae60d5b04..4ae095fc524292b7f7da406488257358876e01e4 100644
--- a/media/base/decode_capabilities.h
+++ b/media/base/decode_capabilities.h
@@ -5,6 +5,7 @@
 #ifndef MEDIA_BASE_DECODE_CAPABILITIES_
 #define MEDIA_BASE_DECODE_CAPABILITIES_
 
+#include "media/base/audio_codecs.h"
 #include "media/base/media_export.h"
 #include "media/base/video_codecs.h"
 #include "media/base/video_color_space.h"
@@ -13,6 +14,9 @@ namespace media {
 
 // APIs to media's decoder capabilities. Embedders may customize decoder
 // capabilities via MediaClient. See usage in mime_util_internal.cc.
+struct MEDIA_EXPORT AudioConfig {
+  AudioCodec codec;
+};
 
 struct MEDIA_EXPORT VideoConfig {
   VideoCodec codec;
@@ -21,8 +25,9 @@ struct MEDIA_EXPORT VideoConfig {
   VideoColorSpace color_space;
 };
 
+MEDIA_EXPORT bool IsSupportedAudioConfig(const AudioConfig& config);
 MEDIA_EXPORT bool IsSupportedVideoConfig(const VideoConfig& config);
 
 }  // namespace media
 
-#endif  // MEDIA_BASE_DECODE_CAPABILITIES_
+#endif  // MEDIA_BASE_DECODE_CAPABILITIES_