Introduce internal::ServiceRegistry to prepare for ServiceProvider split.

mojo/public/cpp/application/lib/service_registry.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 MOJO_PUBLIC_CPP_APPLICATION_LIB_SERVICE_REGISTRY_H_
+#define MOJO_PUBLIC_CPP_APPLICATION_LIB_SERVICE_REGISTRY_H_
+
+#include "mojo/public/interfaces/service_provider/service_provider.mojom.h"
+
+namespace mojo {
+
+class Application;
+
+namespace internal {
+
+class ServiceConnectorBase;
+
+class ServiceRegistry : public ServiceProvider {
+ public:
+  ServiceRegistry(Application* application);
+  ServiceRegistry(Application* application,
+                  ScopedMessagePipeHandle service_provider_handle);
+  virtual ~ServiceRegistry();
+
+  void AddServiceConnector(ServiceConnectorBase* service_connector);
+  void RemoveServiceConnector(ServiceConnectorBase* service_connector);
+
+  ServiceProvider* remote_service_provider() {
+    return remote_service_provider_.get();
+  }
+
+  void BindRemoteServiceProvider(
+      ScopedMessagePipeHandle service_provider_handle);
+
+  // ServiceProvider method.
+  virtual void ConnectToService(const mojo::String& service_url,
+                                const mojo::String& service_name,
+                                ScopedMessagePipeHandle client_handle,
+                                const mojo::String& requestor_url)
+      MOJO_OVERRIDE;
+
+ private:
+  Application* application_;
+  typedef std::map<std::string, ServiceConnectorBase*>
+      NameToServiceConnectorMap;
+  NameToServiceConnectorMap name_to_service_connector_;
+  ServiceProviderPtr remote_service_provider_;
+
+  MOJO_DISALLOW_COPY_AND_ASSIGN(ServiceRegistry);
+};
+
+}  // namespace internal
+}  // namespace mojo
+
+#endif  // MOJO_PUBLIC_CPP_APPLICATION_LIB_SERVICE_REGISTRY_H_