Add IsSupportedBitstreamAudioCodec() function in MediaClient.

media/base/media_client.h

Index: media/base/media_client.h
diff --git a/media/base/media_client.h b/media/base/media_client.h
index 0ebafd3ac3ad88f0dd15dec2b32f020b614b75c8..0b1bd6b5c1c4fad36e1d20f0002b68e2a8d9a0a3 100644
--- a/media/base/media_client.h
+++ b/media/base/media_client.h
@@ -9,6 +9,7 @@
 #include <string>
 #include <vector>
 
+#include "media/base/audio_codecs.h"
 #include "media/base/decode_capabilities.h"
 #include "media/base/key_system_properties.h"
 #include "media/base/media_export.h"
@@ -52,6 +53,10 @@ class MEDIA_EXPORT MediaClient {
 
   // Returns true if the given video config is supported.
   virtual bool IsSupportedVideoConfig(const VideoConfig& config) = 0;
+
+  // Returns true if the compressed audio |codec| format is supported by the
+  // audio sink.
+  virtual bool IsSupportedBitstreamAudioCodec(AudioCodec codec) = 0;
 };
 
 }  // namespace media