Makes AshTestHelper shutdown ChromeOS NetworkHandler

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>
@@ skipping 40 matching lines @@
   WindowManagerApplication();
   ~WindowManagerApplication() override;
 
   WindowManager* window_manager() { return window_manager_.get(); }
 
  private:
   friend class ash::test::AshTestHelper;
   friend class WmTestBase;
   friend class WmTestHelper;
 
+  // If |init_network_handler| is true, chromeos::NetworkHandler is initialized.
   void InitWindowManager(
       std::unique_ptr<aura::WindowTreeClient> window_tree_client,
-      const scoped_refptr<base::SequencedWorkerPool>& blocking_pool);
+      const scoped_refptr<base::SequencedWorkerPool>& blocking_pool,
+      bool init_network_handler);
 
   // Initializes lower-level OS-specific components (e.g. D-Bus services).
-  void InitializeComponents();
+  void InitializeComponents(bool init_network_handler);
   void ShutdownComponents();
 
   // service_manager::Service:
   void OnStart() override;
   bool OnConnect(const service_manager::ServiceInfo& remote_info,
                  service_manager::InterfaceRegistry* registry) override;
 
   tracing::Provider tracing_;
 
   std::unique_ptr<views::AuraInit> aura_init_;
 
   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_;
 
   std::unique_ptr<NetworkConnectDelegateMus> network_connect_delegate_;
   std::unique_ptr<chromeos::system::ScopedFakeStatisticsProvider>
       statistics_provider_;
 
   DISALLOW_COPY_AND_ASSIGN(WindowManagerApplication);
 };
 
 }  // namespace mus
 }  // namespace ash
 
 #endif  // ASH_MUS_WINDOW_MANAGER_APPLICATION_H_