chromeos: Move device shutdown handling out of chrome into ash

ash/common/mojo_interface_factory.cc

Index: ash/common/mojo_interface_factory.cc
diff --git a/ash/common/mojo_interface_factory.cc b/ash/common/mojo_interface_factory.cc
index d6a38b9fee4fd27644d527f627e66c8cc43a0e55..1eef497a426e8ebbdc76d5527cf05a7d0d54961e 100644
--- a/ash/common/mojo_interface_factory.cc
+++ b/ash/common/mojo_interface_factory.cc
@@ -7,6 +7,7 @@
 #include <utility>
 
 #include "ash/common/shelf/shelf_controller.h"
+#include "ash/common/shutdown_controller.h"
 #include "ash/common/system/locale/locale_notification_controller.h"
 #include "ash/common/system/tray/system_tray_controller.h"
 #include "ash/common/wallpaper/wallpaper_controller.h"
@@ -28,6 +29,11 @@ void BindShelfRequestOnMainThread(mojom::ShelfControllerRequest request) {
   WmShell::Get()->shelf_controller()->BindRequest(std::move(request));
 }
 
+void BindShutdownControllerRequestOnMainThread(
+    mojom::ShutdownControllerRequest request) {
+  WmShell::Get()->shutdown_controller()->BindRequest(std::move(request));
+}
+
 void BindSystemTrayRequestOnMainThread(mojom::SystemTrayRequest request) {
   WmShell::Get()->system_tray_controller()->BindRequest(std::move(request));
 }
@@ -49,6 +55,8 @@ void RegisterInterfaces(
       main_thread_task_runner);
   registry->AddInterface(base::Bind(&BindShelfRequestOnMainThread),
                          main_thread_task_runner);
+  registry->AddInterface(base::Bind(&BindShutdownControllerRequestOnMainThread),
+                         main_thread_task_runner);
   registry->AddInterface(base::Bind(&BindSystemTrayRequestOnMainThread),
                          main_thread_task_runner);
   registry->AddInterface(base::Bind(&BindWallpaperRequestOnMainThread),