Make aura work with mus

ui/aura/mus/window_manager_delegate.cc

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#include "services/ui/public/cpp/window_manager_delegate.h"
+#include "ui/aura/mus/window_manager_delegate.h"
 
-namespace ui {
+namespace aura {
 
-mojom::EventResult WindowManagerDelegate::OnAccelerator(
+ui::mojom::EventResult WindowManagerDelegate::OnAccelerator(
     uint32_t id,
     const ui::Event& event) {
-  return mojom::EventResult::UNHANDLED;
+  return ui::mojom::EventResult::UNHANDLED;
 }
 
-}  // namespace ui
+}  // namespace aura