Remove shell::Connection* parameter to InterfaceFactory<T>::Create()

ash/touch_hud/mus/touch_hud_application.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 "ash/touch_hud/mus/touch_hud_application.h"
 
 #include "ash/public/interfaces/container.mojom.h"
 #include "ash/touch_hud/touch_hud_renderer.h"
 #include "base/macros.h"
 #include "base/strings/utf_string_conversions.h"
@@ skipping 85 matching lines @@
     params.native_widget = new views::NativeWidgetMus(
         widget_, connector_, window, ui::mojom::SurfaceType::DEFAULT);
     widget_->Init(params);
     widget_->Show();
   } else {
     widget_->Close();
     base::MessageLoop::current()->QuitWhenIdle();
   }
 }
 
-void TouchHudApplication::Create(shell::Connection* connection,
+void TouchHudApplication::Create(const shell::Identity& remote_identity,
                                  mash::mojom::LaunchableRequest request) {
   binding_.Bind(std::move(request));
 }
 
 }  // namespace touch_hud
 }  // namespace ash