Make Mandoline shut down cleanly.

components/surfaces/display_factory_impl.cc

Index: components/surfaces/display_factory_impl.cc
diff --git a/components/surfaces/display_factory_impl.cc b/components/surfaces/display_factory_impl.cc
index fa7a5a8d4683c4f4175bc6ab3b646beabe9f4846..f9ba9b9adc13b0ba5dbb54f1fa3572e91ea2e12a 100644
--- a/components/surfaces/display_factory_impl.cc
+++ b/components/surfaces/display_factory_impl.cc
@@ -5,22 +5,26 @@
 #include "components/surfaces/display_factory_impl.h"
 
 #include "cc/surfaces/surface_id.h"
+#include "components/surfaces/surfaces_service_application.h"
 
 namespace surfaces {
 
 DisplayFactoryImpl::DisplayFactoryImpl(
+    SurfacesServiceApplication* application,
     cc::SurfaceManager* manager,
     uint32_t id_namespace,
     SurfacesScheduler* scheduler,
     mojo::InterfaceRequest<mojo::DisplayFactory> request)
     : id_namespace_(id_namespace),
       next_local_id_(1u),
+      application_(application),
       scheduler_(scheduler),
       manager_(manager),
       binding_(this, request.Pass()) {
 }
 
 DisplayFactoryImpl::~DisplayFactoryImpl() {
+  application_->DisplayFactoryDestroyed(this);
 }
 
 void DisplayFactoryImpl::Create(