Mojo interfaces needed for switching audio rendering stream creation and closing from IPC to Mojo

media/mojo/common/media_type_converters.h

Index: media/mojo/common/media_type_converters.h
diff --git a/media/mojo/common/media_type_converters.h b/media/mojo/common/media_type_converters.h
index 10b4d3e249273e7ccf5527ab3b693f4da8547835..46081ad768cdc777bb5105c6c1b54a87dce59c10 100644
--- a/media/mojo/common/media_type_converters.h
+++ b/media/mojo/common/media_type_converters.h
@@ -15,6 +15,7 @@
 namespace media {
 class AudioBuffer;
 class AudioDecoderConfig;
+class AudioParameters;
 class DecoderBuffer;
 class DecryptConfig;
 class EncryptionScheme;
@@ -30,6 +31,20 @@ struct SubsampleEntry;
 namespace mojo {
 
 template <>
+struct TypeConverter<media::interfaces::AudioParametersPtr,
+                     media::AudioParameters> {
+  static media::interfaces::AudioParametersPtr Convert(
+      const media::AudioParameters& input);
+};
+
+template <>
+struct TypeConverter<media::AudioParameters,
+                     media::interfaces::AudioParametersPtr> {
+  static media::AudioParameters Convert(
+      const media::interfaces::AudioParametersPtr& input);
+};
+
+template <>
 struct TypeConverter<media::interfaces::EncryptionSchemePtr,
                      media::EncryptionScheme> {
   static media::interfaces::EncryptionSchemePtr Convert(