Converts some services to use aura-mus

ash/touch_hud/mus/touch_hud_application.h

 // 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.
 
 #ifndef ASH_TOUCH_HUD_MUS_TOUCH_HUD_APPLICATION_H_
 #define ASH_TOUCH_HUD_MUS_TOUCH_HUD_APPLICATION_H_
 
 #include <map>
 
 #include "base/macros.h"
 #include "mash/public/interfaces/launchable.mojom.h"
 #include "mojo/public/cpp/bindings/binding.h"
 #include "services/service_manager/public/cpp/interface_factory.h"
 #include "services/service_manager/public/cpp/service.h"
 
 namespace views {
 class AuraInit;
 class Widget;
-class WindowManagerConnection;
 }
 
 namespace ash {
 namespace touch_hud {
 
 class TouchHudApplication
     : public service_manager::Service,
       public mash::mojom::Launchable,
       public service_manager::InterfaceFactory<mash::mojom::Launchable> {
  public:
@@ skipping 10 matching lines @@
   void Launch(uint32_t what, mash::mojom::LaunchMode how) override;
 
   // service_manager::InterfaceFactory<mojom::Launchable>:
   void Create(const service_manager::Identity& remote_identity,
               mash::mojom::LaunchableRequest request) override;
 
   mojo::Binding<mash::mojom::Launchable> binding_;
   views::Widget* widget_ = nullptr;
 
   std::unique_ptr<views::AuraInit> aura_init_;
-  std::unique_ptr<views::WindowManagerConnection> window_manager_connection_;
 
   DISALLOW_COPY_AND_ASSIGN(TouchHudApplication);
 };
 
 }  // namespace touch_hud
 }  // namespace ash
 
 #endif  // ASH_TOUCH_HUD_MUS_TOUCH_HUD_APPLICATION_H_