Make Service own ServiceContext.

mash/init/init.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 MASH_INIT_INIT_H_
 #define MASH_INIT_INIT_H_
 
 #include <map>
 #include <memory>
 
@@ skipping 13 matching lines @@
 
 class Init : public shell::Service,
              public shell::InterfaceFactory<mojom::Init>,
              public mojom::Init {
  public:
   Init();
   ~Init() override;
 
  private:
   // shell::Service:
-  void OnStart(shell::Connector* connector,
-               const shell::Identity& identity,
-               uint32_t id) override;
+  void OnStart(const shell::Identity& identity) override;
   bool OnConnect(shell::Connection* connection) override;
 
   // shell::InterfaceFactory<mojom::Login>:
   void Create(const shell::Identity& remote_identity,
               mojom::InitRequest request) override;
 
   // mojom::Init:
   void StartService(const mojo::String& name,
                     const mojo::String& user_id) override;
   void StopServicesForUser(const mojo::String& user_id) override;
 
   void UserServiceQuit(const std::string& user_id);
 
   void StartTracing();
   void StartLogin();
 
-  shell::Connector* connector_;
   std::unique_ptr<shell::Connection> login_connection_;
   mojo::BindingSet<mojom::Init> init_bindings_;
   std::map<std::string, std::unique_ptr<shell::Connection>> user_services_;
 
   DISALLOW_COPY_AND_ASSIGN(Init);
 };
 
 }  // namespace init
 }  // namespace mash
 
 #endif  // MASH_INIT_INIT_H_