Service Manager: Remove ServiceContext* arg from Service::OnStart()

services/file/file_service.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_FILE_FILE_SERVICE_H_
 #define SERVICES_FILE_FILE_SERVICE_H_
 
 #include "base/callback_forward.h"
 #include "base/memory/ref_counted.h"
 #include "components/filesystem/lock_table.h"
@@ skipping 14 matching lines @@
       public service_manager::InterfaceFactory<mojom::FileSystem>,
       public service_manager::InterfaceFactory<leveldb::mojom::LevelDBService> {
  public:
   FileService(
       scoped_refptr<base::SingleThreadTaskRunner> file_service_runner,
       scoped_refptr<base::SingleThreadTaskRunner> leveldb_service_runner);
   ~FileService() override;
 
  private:
   // |Service| override:
-  void OnStart(service_manager::ServiceContext* context) override;
+  void OnStart() override;
   bool OnConnect(const service_manager::ServiceInfo& remote_info,
                  service_manager::InterfaceRegistry* registry) override;
 
   // |InterfaceFactory<mojom::FileSystem>| implementation:
   void Create(const service_manager::Identity& remote_identity,
               mojom::FileSystemRequest request) override;
 
   // |InterfaceFactory<LevelDBService>| implementation:
   void Create(const service_manager::Identity& remote_identity,
               leveldb::mojom::LevelDBServiceRequest request) override;
@@ skipping 10 matching lines @@
 
   class LevelDBServiceObjects;
   std::unique_ptr<LevelDBServiceObjects> leveldb_objects_;
 
   DISALLOW_COPY_AND_ASSIGN(FileService);
 };
 
 }  // namespace file
 
 #endif  // SERVICES_FILE_FILE_SERVICE_H_