Converts ash to use aura-mus

ash/mus/accelerators/accelerator_controller_registrar.cc

Index: ash/mus/accelerators/accelerator_controller_registrar.cc
diff --git a/ash/mus/accelerators/accelerator_controller_registrar.cc b/ash/mus/accelerators/accelerator_controller_registrar.cc
index 7c80269cfd08c33d9d99363e3e4f378a4a01277c..4abc772892dbe374cb064eef25cf4226364cc3ed 100644
--- a/ash/mus/accelerators/accelerator_controller_registrar.cc
+++ b/ash/mus/accelerators/accelerator_controller_registrar.cc
@@ -126,16 +126,13 @@ void AcceleratorControllerRegistrar::OnAcceleratorRegistered(
   post_event_matcher->accelerator_phase =
       ui::mojom::AcceleratorPhase::POST_TARGET;
 
-  window_manager_->window_manager_client()->AddAccelerators(
-      ui::CreateAcceleratorVector(
-          ComputeAcceleratorId(id_namespace_, ids.pre_id),
-          std::move(event_matcher)),
+  window_manager_->window_manager_client()->AddAccelerator(
+      ComputeAcceleratorId(id_namespace_, ids.pre_id), std::move(event_matcher),
       base::Bind(OnAcceleratorAdded, accelerator));
 
-  window_manager_->window_manager_client()->AddAccelerators(
-      ui::CreateAcceleratorVector(
-          ComputeAcceleratorId(id_namespace_, ids.post_id),
-          std::move(post_event_matcher)),
+  window_manager_->window_manager_client()->AddAccelerator(
+      ComputeAcceleratorId(id_namespace_, ids.post_id),
+      std::move(post_event_matcher),
       base::Bind(OnAcceleratorAdded, accelerator));
 }