mash: Add touch-hud app.

ash/touch_hud/mus/touch_hud_application.h

-// Copyright 2015 The Chromium Authors. All rights reserved.
+// 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 MASH_EXAMPLE_WINDOW_TYPE_LAUNCHER_WINDOW_TYPE_LAUNCHER_H_
-#define MASH_EXAMPLE_WINDOW_TYPE_LAUNCHER_WINDOW_TYPE_LAUNCHER_H_
+#ifndef ASH_TOUCH_HUD_MUS_TOUCH_HUD_APPLICATION_H_
+#define ASH_TOUCH_HUD_MUS_TOUCH_HUD_APPLICATION_H_
 
-#include <memory>
+#include <map>
 
 #include "base/macros.h"
 #include "mash/public/interfaces/launchable.mojom.h"
-#include "mojo/public/cpp/bindings/binding_set.h"
+#include "mojo/public/cpp/bindings/binding.h"
 #include "services/shell/public/cpp/service.h"
 
 namespace views {
 class AuraInit;
 class Widget;
 class WindowManagerConnection;
 }
 
-class WindowTypeLauncher
+namespace ash {
+namespace touch_hud {
+
+class TouchHudApplication
     : public shell::Service,
       public mash::mojom::Launchable,
       public shell::InterfaceFactory<mash::mojom::Launchable> {
  public:
-  WindowTypeLauncher();
-  ~WindowTypeLauncher() override;
-
-  void RemoveWindow(views::Widget* window);
+  TouchHudApplication();
+  ~TouchHudApplication() override;
 
  private:
   // shell::Service:
   void OnStart(shell::Connector* connector,
                const shell::Identity& identity,
                uint32_t id) override;
   bool OnConnect(shell::Connection* connection) override;
 
-  // mash::mojom::Launchable:
+  // mojom::Launchable:
   void Launch(uint32_t what, mash::mojom::LaunchMode how) override;
 
-  // shell::InterfaceFactory<mash::mojom::Launchable>:
+  // shell::InterfaceFactory<mojom::Launchable>:
   void Create(shell::Connection* connection,
               mash::mojom::LaunchableRequest request) override;
 
   shell::Connector* connector_ = nullptr;
-  mojo::BindingSet<mash::mojom::Launchable> bindings_;
-  std::vector<views::Widget*> windows_;
+  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(WindowTypeLauncher);
+  DISALLOW_COPY_AND_ASSIGN(TouchHudApplication);
 };
 
-#endif  // MASH_EXAMPLE_WINDOW_TYPE_LAUNCHER_WINDOW_TYPE_LAUNCHER_H_
+}  // namespace touch_hud
+}  // namespace ash
+
+#endif  // ASH_TOUCH_HUD_MUS_TOUCH_HUD_APPLICATION_H_