Connect Mojo AudioDecoder service to the Mojo service factory

media/mojo/services/mojo_media_client.h

Index: media/mojo/services/mojo_media_client.h
diff --git a/media/mojo/services/mojo_media_client.h b/media/mojo/services/mojo_media_client.h
index 9b69c10e69a03b5ebd0a59d7a4f170f21c975ae7..ab14c507e822ce3e9f65c944ab18fcf6d4d6f700 100644
--- a/media/mojo/services/mojo_media_client.h
+++ b/media/mojo/services/mojo_media_client.h
@@ -5,6 +5,7 @@
 #ifndef MEDIA_MOJO_SERVICES_MOJO_MEDIA_CLIENT_H_
 #define MEDIA_MOJO_SERVICES_MOJO_MEDIA_CLIENT_H_
 
+#include "media/base/audio_decoder.h"
 #include "media/base/audio_renderer_sink.h"
 #include "media/base/cdm_factory.h"
 #include "media/base/media_log.h"
@@ -32,6 +33,9 @@ class MojoMediaClient {
   // Called exactly once before any other method.
   virtual void Initialize();
 
+  virtual scoped_ptr<AudioDecoder> CreateAudioDecoder(
+      scoped_refptr<base::SingleThreadTaskRunner> task_runner);
+
   // TODO(xhwang): Consider creating Renderer and CDM directly in the client
   // instead of creating factories. See http://crbug.com/586211