Allow to use {FFmpeg/Vpx}VideoDecoder from a UtilityProcess

media/mojo/services/media_service_factory.h

Index: media/mojo/services/media_service_factory.h
diff --git a/media/mojo/services/media_service_factory.h b/media/mojo/services/media_service_factory.h
index 40e34a34c8e3f1e0e5f7801c0068aa1d2db777ca..443b8dd914f343b0bc2ae0778f768d21cf748491 100644
--- a/media/mojo/services/media_service_factory.h
+++ b/media/mojo/services/media_service_factory.h
@@ -35,6 +35,10 @@ CreateGpuMediaService(
 std::unique_ptr<service_manager::Service> MEDIA_MOJO_EXPORT
 CreateMediaServiceForTesting();
 
+// Creates a MediaService instance using the UtilityMojoMediaClient.
+std::unique_ptr<service_manager::Service> MEDIA_MOJO_EXPORT
+CreateUtilityMediaService();
+
 }  // namespace media
 
 #endif  // MEDIA_MOJO_SERVICES_MEDIA_SERVICE_FACTORY_H_