Removes code using mus client lib

ash/mus/window_manager_application.cc

 // Copyright 2015 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 "ash/mus/window_manager_application.h"
 
 #include <utility>
 
 #include "ash/common/material_design/material_design_controller.h"
 #include "ash/common/mojo_interface_factory.h"
 #include "ash/common/wm_shell.h"
 #include "ash/mus/window_manager.h"
 #include "base/bind.h"
 #include "base/memory/ptr_util.h"
 #include "base/threading/thread_task_runner_handle.h"
 #include "services/service_manager/public/cpp/connection.h"
 #include "services/service_manager/public/cpp/connector.h"
 #include "services/service_manager/public/cpp/service_context.h"
 #include "services/tracing/public/cpp/provider.h"
 #include "services/ui/common/accelerator_util.h"
 #include "services/ui/public/cpp/gpu/gpu.h"
 #include "ui/aura/env.h"
 #include "ui/aura/mus/mus_context_factory.h"
 #include "ui/aura/mus/window_tree_client.h"
 #include "ui/events/event.h"
 #include "ui/message_center/message_center.h"
 #include "ui/views/mus/aura_init.h"
-#include "ui/views/mus/surface_context_factory.h"
 
 #if defined(OS_CHROMEOS)
 #include "ash/common/system/chromeos/power/power_status.h"
 #include "ash/mus/network_connect_delegate_mus.h"
 #include "chromeos/audio/cras_audio_handler.h"
 #include "chromeos/dbus/dbus_thread_manager.h"
 #include "chromeos/network/network_connect.h"
 #include "chromeos/network/network_handler.h"
 #include "chromeos/system/fake_statistics_provider.h"
 #include "device/bluetooth/dbus/bluez_dbus_manager.h"  // nogncheck
@@ skipping 110 matching lines @@
     const service_manager::ServiceInfo& remote_info,
     service_manager::InterfaceRegistry* registry) {
   // Register services used in both classic ash and mash.
   mojo_interface_factory::RegisterInterfaces(
       registry, base::ThreadTaskRunnerHandle::Get());
   return true;
 }
 
 }  // namespace mus
 }  // namespace ash