Rename shell namespace to service_manager

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 26f94c7d77699b3d23e1d17cbe726d9ba4441225..e4384fef951d561d0f2334d9a56afb3d4bb5188f 100644
--- a/ash/common/mojo_interface_factory.cc
+++ b/ash/common/mojo_interface_factory.cc
@@ -28,7 +28,7 @@ void BindSystemTrayRequestOnMainThread(mojom::SystemTrayRequest request) {
 namespace mojo_interface_factory {
 
 void RegisterInterfaces(
-    shell::InterfaceRegistry* registry,
+    service_manager::InterfaceRegistry* registry,
     scoped_refptr<base::SingleThreadTaskRunner> main_thread_task_runner) {
   registry->AddInterface(base::Bind(&BindShelfControllerRequestOnMainThread),
                          main_thread_task_runner);