Connect Mojo AudioDecoder service to the Mojo service factory

media/mojo/interfaces/service_factory.mojom

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 module media.interfaces;
 
+import "media/mojo/interfaces/audio_decoder.mojom";
 import "media/mojo/interfaces/content_decryption_module.mojom";
 import "media/mojo/interfaces/renderer.mojom";
 
 // A factory interface to create media services. Renderers can only access
 // ContentDecryptionModules created in the same factory.
 interface ServiceFactory {
-  // Creates a ContentDecryptionModule service.
-  CreateCdm(ContentDecryptionModule& cdm);
+  // Creates an AudioDecoder service.
+  CreateAudioDecoder(AudioDecoder& audio_decoder);
 
   // Creates a Renderer service.
   CreateRenderer(Renderer& renderer);
+
+  // Creates a ContentDecryptionModule service.
+  CreateCdm(ContentDecryptionModule& cdm);
 };