Mojify demuxers and allow running {Chunk/FFmpeg}Demuxer in a Utility Process

media/mojo/interfaces/interface_factory.mojom

Index: media/mojo/interfaces/interface_factory.mojom
diff --git a/media/mojo/interfaces/interface_factory.mojom b/media/mojo/interfaces/interface_factory.mojom
index f2e230a44092dc5f44e2e760972177152d5c0dad..da7410a47d5eb3f698876db05850c12fb1483965 100644
--- a/media/mojo/interfaces/interface_factory.mojom
+++ b/media/mojo/interfaces/interface_factory.mojom
@@ -6,12 +6,20 @@ module media.mojom;
 
 import "media/mojo/interfaces/audio_decoder.mojom";
 import "media/mojo/interfaces/content_decryption_module.mojom";
+import "media/mojo/interfaces/demuxer.mojom";
 import "media/mojo/interfaces/renderer.mojom";
+import "media/mojo/interfaces/source_buffer.mojom";
 import "media/mojo/interfaces/video_decoder.mojom";
 
 // A factory interface to create media services. Renderers can only access
 // ContentDecryptionModules created in the same factory.
 interface InterfaceFactory {
+  // Creates a Demuxer service.
+  CreateDemuxer(Demuxer& demuxer);
+
+  // Creates a SourceBuffer service.
+  CreateSourceBuffer(SourceBuffer& source_buffer);
+
   // Creates an AudioDecoder service.
   CreateAudioDecoder(AudioDecoder& audio_decoder);