Service Manager: Implement graceful service termination

services/service_manager/tests/lifecycle/app_client.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 SERVICES_SERVICE_MANAGER_TESTS_LIFECYCLE_APP_CLIENT_H_
 #define SERVICES_SERVICE_MANAGER_TESTS_LIFECYCLE_APP_CLIENT_H_
 
 #include <memory>
 
 #include "base/bind.h"
@@ skipping 14 matching lines @@
  public:
   AppClient();
   ~AppClient() override;
 
   void set_runner(ServiceRunner* runner) { runner_ = runner; }
 
   // Serivce:
   void OnStart(ServiceContext* context) override;
   bool OnConnect(const ServiceInfo& remote_info,
                  InterfaceRegistry* registry) override;
+  bool OnStop() override;
 
   // InterfaceFactory<LifecycleControl>:
   void Create(const Identity& remote_identity,
               mojom::LifecycleControlRequest request) override;
 
   // LifecycleControl:
   void Ping(const PingCallback& callback) override;
   void GracefulQuit() override;
   void Crash() override;
   void CloseServiceManagerConnection() override;
 
  private:
   class ServiceImpl;
 
   void BindingLost();
 
   ServiceContext* context_;
   ServiceRunner* runner_ = nullptr;
   mojo::BindingSet<mojom::LifecycleControl> bindings_;
 
   DISALLOW_COPY_AND_ASSIGN(AppClient);
 };
 
 }  // namespace test
 }  // namespace service_manager
 
 #endif  // SERVICES_SERVICE_MANAGER_TESTS_LIFECYCLE_APP_CLIENT_H_