mash: Migrate wallpaper controllers to ash/common.

ash/mus/window_manager_application.h

 // 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.
 
 #ifndef ASH_MUS_WINDOW_MANAGER_APPLICATION_H_
 #define ASH_MUS_WINDOW_MANAGER_APPLICATION_H_
 
 #include <stdint.h>
 
 #include <memory>
 #include <set>
 
 #include "ash/public/interfaces/shelf.mojom.h"
 #include "base/macros.h"
+#include "base/memory/ref_counted.h"
 #include "mash/session/public/interfaces/session.mojom.h"
 #include "mojo/public/cpp/bindings/binding.h"
 #include "mojo/public/cpp/bindings/binding_set.h"
 #include "services/shell/public/cpp/service.h"
 #include "services/tracing/public/cpp/provider.h"
 #include "services/ui/common/types.h"
 #include "services/ui/public/interfaces/accelerator_registrar.mojom.h"
 
+namespace base {
+class SequencedWorkerPool;
+}
+
 namespace chromeos {
 namespace system {
 class ScopedFakeStatisticsProvider;
 }
 }
 
 namespace views {
 class AuraInit;
 class SurfaceContextFactory;
 }
@@ skipping 26 matching lines @@
 
   mash::session::mojom::Session* session() { return session_.get(); }
 
  private:
   friend class WmTestBase;
   friend class WmTestHelper;
 
   void OnAcceleratorRegistrarDestroyed(AcceleratorRegistrarImpl* registrar);
 
   void InitWindowManager(
-      std::unique_ptr<ui::WindowTreeClient> window_tree_client);
+      std::unique_ptr<ui::WindowTreeClient> window_tree_client,
+      const scoped_refptr<base::SequencedWorkerPool>& blocking_pool);
 
   // shell::Service:
   void OnStart(const shell::Identity& identity) override;
   bool OnConnect(const shell::Identity& remote_identity,
                  shell::InterfaceRegistry* registry) override;
 
   // InterfaceFactory<ash::mojom::ShelfController>:
   void Create(const shell::Identity& remote_identity,
               ash::mojom::ShelfControllerRequest request) override;
 
   // shell::InterfaceFactory<ui::mojom::AcceleratorRegistrar>:
   void Create(const shell::Identity& remote_identity,
               ui::mojom::AcceleratorRegistrarRequest request) override;
 
   // session::mojom::ScreenlockStateListener:
   void ScreenlockStateChanged(bool locked) override;
 
   tracing::Provider tracing_;
 
   std::unique_ptr<views::AuraInit> aura_init_;
   std::unique_ptr<NativeWidgetFactoryMus> native_widget_factory_mus_;
 
   std::unique_ptr<ui::GpuService> gpu_service_;
   std::unique_ptr<views::SurfaceContextFactory> compositor_context_factory_;
   std::unique_ptr<WindowManager> window_manager_;
 
+  // A blocking pool used by the WindowManager's shell; not used in tests.
+  scoped_refptr<base::SequencedWorkerPool> blocking_pool_;
+
   mojo::BindingSet<ash::mojom::ShelfController> shelf_controller_bindings_;
 
   std::set<AcceleratorRegistrarImpl*> accelerator_registrars_;
 
   mash::session::mojom::SessionPtr session_;
 
   mojo::Binding<mash::session::mojom::ScreenlockStateListener>
       screenlock_state_listener_binding_;
 
 #if defined(OS_CHROMEOS)
   std::unique_ptr<chromeos::system::ScopedFakeStatisticsProvider>
       statistics_provider_;
 #endif
 
   DISALLOW_COPY_AND_ASSIGN(WindowManagerApplication);
 };
 
 }  // namespace mus
 }  // namespace ash
 
 #endif  // ASH_MUS_WINDOW_MANAGER_APPLICATION_H_