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

services/ui/ime/test_ime_driver/test_ime_application.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_UI_IME_TEST_IME_DRIVER_TEST_IME_APPLICATION_H_
 #define SERVICES_UI_IME_TEST_IME_DRIVER_TEST_IME_APPLICATION_H_
 
 #include "base/macros.h"
 #include "services/service_manager/public/cpp/service.h"
 
 namespace ui {
 namespace test {
 
 class TestIMEApplication : public service_manager::Service {
  public:
   TestIMEApplication();
   ~TestIMEApplication() override;
 
  private:
   // service_manager::Service:
-  void OnStart(service_manager::ServiceContext* context) override;
+  void OnStart() override;
   bool OnConnect(const service_manager::ServiceInfo& remote_info,
                  service_manager::InterfaceRegistry* registry) override;
 
   DISALLOW_COPY_AND_ASSIGN(TestIMEApplication);
 };
 
 }  // namespace test
 }  // namespace ui
 
 #endif  // SERVICES_UI_IME_TEST_IME_DRIVER_TEST_IME_APPLICATION_H_