Implement MojoAudioRendererSink and use it in UtilityMojoMediaClient

media/mojo/clients/mojo_renderer_factory.cc

Index: media/mojo/clients/mojo_renderer_factory.cc
diff --git a/media/mojo/clients/mojo_renderer_factory.cc b/media/mojo/clients/mojo_renderer_factory.cc
index 311b4014c181e4b97e5e16ed33ca557b8020b9a0..f98cd56e274a64edf5ea6fcf33530889e4ef49e6 100644
--- a/media/mojo/clients/mojo_renderer_factory.cc
+++ b/media/mojo/clients/mojo_renderer_factory.cc
@@ -26,7 +26,7 @@ MojoRendererFactory::~MojoRendererFactory() {}
 std::unique_ptr<Renderer> MojoRendererFactory::CreateRenderer(
     const scoped_refptr<base::SingleThreadTaskRunner>& media_task_runner,
     const scoped_refptr<base::TaskRunner>& /* worker_task_runner */,
-    AudioRendererSink* /* audio_renderer_sink */,
+    AudioRendererSink* audio_renderer_sink,
     VideoRendererSink* video_renderer_sink,
     const RequestSurfaceCB& /* request_surface_cb */) {
   std::unique_ptr<VideoOverlayFactory> overlay_factory;
@@ -42,9 +42,9 @@ std::unique_ptr<Renderer> MojoRendererFactory::CreateRenderer(
   service_manager::GetInterface<mojom::Renderer>(interface_provider_,
                                                  &renderer_ptr);
 
-  return std::unique_ptr<Renderer>(
-      new MojoRenderer(media_task_runner, std::move(overlay_factory),
-                       video_renderer_sink, std::move(renderer_ptr)));
+  return std::unique_ptr<Renderer>(new MojoRenderer(
+      media_task_runner, std::move(overlay_factory), audio_renderer_sink,
+      video_renderer_sink, std::move(renderer_ptr)));
 }
 
 }  // namespace media