Mus: Delete unused Mandoline Surfaces code

components/mus/gpu/display_compositor/compositor_frame_sink_impl.cc

Index: components/mus/gpu/display_compositor/compositor_frame_sink_impl.cc
diff --git a/components/mus/gpu/display_compositor/compositor_frame_sink_impl.cc b/components/mus/gpu/display_compositor/compositor_frame_sink_impl.cc
index 136f623fc29212066d851ae864b44a0a283697f0..942f10fe05eb81447c1ccaaab75e8aa1e232c314 100644
--- a/components/mus/gpu/display_compositor/compositor_frame_sink_impl.cc
+++ b/components/mus/gpu/display_compositor/compositor_frame_sink_impl.cc
@@ -61,7 +61,7 @@ void CompositorFrameSinkImpl::SubmitCompositorFrame(
   // TODO(fsamuel): Validate that SurfaceDrawQuad refer to allowable surface
   // IDs.
   std::unique_ptr<cc::CompositorFrame> compositor_frame =
-      ConvertToCompositorFrame(frame, nullptr);
+      ConvertToCompositorFrame(frame);
   gfx::Size frame_size =
       compositor_frame->delegated_frame_data->render_pass_list.back()
           ->output_rect.size();