Introduce SystemNetworkContextManager.

content/network/network_service.h

Index: content/network/network_service.h
diff --git a/content/network/network_service.h b/content/network/network_service.h
deleted file mode 100644
index 703ffc29b13515b57d8c43cb812b1303fd0cfd0c..0000000000000000000000000000000000000000
--- a/content/network/network_service.h
+++ /dev/null
@@ -1,70 +0,0 @@
-// Copyright 2017 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 CONTENT_NETWORK_NETWORK_SERVICE_H_
-#define CONTENT_NETWORK_NETWORK_SERVICE_H_
-
-#include <memory>
-
-#include "base/macros.h"
-#include "content/common/content_export.h"
-#include "content/public/common/network_service.mojom.h"
-#include "mojo/public/cpp/bindings/binding.h"
-#include "services/service_manager/public/cpp/binder_registry.h"
-#include "services/service_manager/public/cpp/service.h"
-
-namespace content {
-
-class NetworkContext;
-
-class NetworkService : public service_manager::Service,
-                       public mojom::NetworkService {
- public:
-  explicit NetworkService(
-      std::unique_ptr<service_manager::BinderRegistry> registry);
-  ~NetworkService() override;
-
-  CONTENT_EXPORT static std::unique_ptr<NetworkService> CreateForTesting();
-
-  // These are called by NetworkContexts as they are being created and
-  // destroyed.
-  void RegisterNetworkContext(NetworkContext* network_context);
-  void DeregisterNetworkContext(NetworkContext* network_context);
-
-  // mojom::NetworkService implementation:
-  void CreateNetworkContext(mojom::NetworkContextRequest request,
-                            mojom::NetworkContextParamsPtr params) override;
-
- private:
-  class MojoNetLog;
-
-  // Used for tests.
-  NetworkService();
-
-  // service_manager::Service implementation.
-  void OnBindInterface(const service_manager::BindSourceInfo& source_info,
-                       const std::string& interface_name,
-                       mojo::ScopedMessagePipeHandle interface_pipe) override;
-
-  void Create(const service_manager::BindSourceInfo& source_info,
-              mojom::NetworkServiceRequest request);
-
-  std::unique_ptr<MojoNetLog> net_log_;
-
-  std::unique_ptr<service_manager::BinderRegistry> registry_;
-
-  mojo::Binding<mojom::NetworkService> binding_;
-
-  // NetworkContexts register themselves with the NetworkService so that they
-  // can be cleaned up when the NetworkService goes away. This is needed as
-  // NetworkContexts share global state with the NetworkService, so must be
-  // destroyed first.
-  std::set<NetworkContext*> network_contexts_;
-
-  DISALLOW_COPY_AND_ASSIGN(NetworkService);
-};
-
-}  // namespace content
-
-#endif  // CONTENT_NETWORK_NETWORK_SERVICE_H_