Mus: Avoid deadlock during teardown

services/ui/surfaces/display_compositor.cc

Index: services/ui/surfaces/display_compositor.cc
diff --git a/services/ui/surfaces/display_compositor.cc b/services/ui/surfaces/display_compositor.cc
index 79abc2a89934c6391009f21c19fa75c009677e47..176439915882bb946665ae45ee658c3c7986fbf5 100644
--- a/services/ui/surfaces/display_compositor.cc
+++ b/services/ui/surfaces/display_compositor.cc
@@ -17,11 +17,13 @@ DisplayCompositor::DisplayCompositor(
     scoped_refptr<gpu::InProcessCommandBuffer::Service> gpu_service,
     std::unique_ptr<MusGpuMemoryBufferManager> gpu_memory_buffer_manager,
     gpu::ImageFactory* image_factory,
+    cc::mojom::DisplayCompositorRequest request,
     cc::mojom::DisplayCompositorClientPtr client)
     : gpu_service_(std::move(gpu_service)),
       gpu_memory_buffer_manager_(std::move(gpu_memory_buffer_manager)),
       image_factory_(image_factory),
-      client_(std::move(client)) {
+      client_(std::move(client)),
+      binding_(this, std::move(request)) {
   manager_.AddObserver(this);
 }