Make Service own ServiceContext.

services/shell/public/cpp/service.h

 // Copyright 2014 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_SHELL_PUBLIC_CPP_SERVICE_H_
 #define SERVICES_SHELL_PUBLIC_CPP_SERVICE_H_
 
 #include <stdint.h>
 #include <string>
 
 #include "base/macros.h"
 #include "services/shell/public/cpp/connection.h"
 #include "services/shell/public/cpp/identity.h"
 
 namespace shell {
 
 class Connector;
+class ServiceContext;
 
 // The primary contract between a Service and the Service Manager, receiving
 // lifecycle notifications and connection requests.
 class Service {
  public:
   Service();
   virtual ~Service();
 
   // Called once a bidirectional connection with the Service Manager has been
   // established.
   // |identity| is the identity of the service instance.
-  // |id| is a unique identifier the Service Manager uses to identify this
-  // specific instance of the service.
   // Called exactly once before any other method.
-  virtual void OnStart(Connector* connector,
-                       const Identity& identity,
-                       uint32_t id);
+  virtual void OnStart(const Identity& identity);
 
   // Called when a connection to this service is brokered by the Service
   // Manager. Override to expose interfaces to the remote service. Return true
   // if the connection should succeed. Return false if the connection should
   // be rejected and the underlying pipe closed. The default implementation
   // returns false.
   virtual bool OnConnect(Connection* connection);
 
   // Called when the Service Manager has stopped tracking this instance. The
   // service should use this as a signal to exit, and in fact its process may
   // be reaped shortly afterward.
   // Return true from this method to tell the ServiceContext to run its
   // connection lost closure if it has one, false to prevent it from being run.
   // The default implementation returns true.
   // When used in conjunction with ApplicationRunner, returning true here quits
   // the message loop created by ApplicationRunner, which results in the service
   // quitting.
   virtual bool OnStop();
 
   // TODO(rockot): remove
   virtual InterfaceProvider* GetInterfaceProviderForConnection();
   virtual InterfaceRegistry* GetInterfaceRegistryForConnection();
 
+  Connector* connector();
+  ServiceContext* context();
+  void set_context(std::unique_ptr<ServiceContext> context);
+
  private:
+  std::unique_ptr<ServiceContext> context_;
+
   DISALLOW_COPY_AND_ASSIGN(Service);
 };
 
 }  // namespace shell
 
 #endif  // SERVICES_SHELL_PUBLIC_CPP_SERVICE_H_