Introduce SystemNetworkContextManager.

content/network/network_service.cc

Index: content/network/network_service.cc
diff --git a/content/network/network_service.cc b/content/network/network_service.cc
deleted file mode 100644
index a9a8845498b57a8026c2b9ab669c80f8c97896b2..0000000000000000000000000000000000000000
--- a/content/network/network_service.cc
+++ /dev/null
@@ -1,105 +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.
-
-#include "content/network/network_service.h"
-
-#include "base/command_line.h"
-#include "base/logging.h"
-#include "base/memory/ptr_util.h"
-#include "base/values.h"
-#include "content/network/network_context.h"
-#include "content/public/common/content_switches.h"
-#include "mojo/public/cpp/bindings/strong_binding.h"
-#include "net/log/file_net_log_observer.h"
-#include "net/log/net_log_util.h"
-#include "services/service_manager/public/cpp/bind_source_info.h"
-
-namespace content {
-
-class NetworkService::MojoNetLog : public net::NetLog {
- public:
-  MojoNetLog() {
-    const base::CommandLine* command_line =
-        base::CommandLine::ForCurrentProcess();
-
-    // If specified by the command line, stream network events (NetLog) to a
-    // file on disk. This will last for the duration of the process.
-    if (command_line->HasSwitch(switches::kLogNetLog)) {
-      base::FilePath log_path =
-          command_line->GetSwitchValuePath(switches::kLogNetLog);
-      net::NetLogCaptureMode capture_mode =
-          net::NetLogCaptureMode::IncludeCookiesAndCredentials();
-
-      file_net_log_observer_ =
-          net::FileNetLogObserver::CreateUnbounded(log_path, nullptr);
-      file_net_log_observer_->StartObserving(this, capture_mode);
-    }
-  }
-  ~MojoNetLog() override {
-    if (file_net_log_observer_)
-      file_net_log_observer_->StopObserving(nullptr, base::OnceClosure());
-  }
-
- private:
-  std::unique_ptr<net::FileNetLogObserver> file_net_log_observer_;
-  DISALLOW_COPY_AND_ASSIGN(MojoNetLog);
-};
-
-NetworkService::NetworkService(
-    std::unique_ptr<service_manager::BinderRegistry> registry)
-    : net_log_(new MojoNetLog), registry_(std::move(registry)), binding_(this) {
-  // |registry_| may be nullptr in tests.
-  if (registry_) {
-    registry_->AddInterface<mojom::NetworkService>(
-        base::Bind(&NetworkService::Create, base::Unretained(this)));
-  }
-}
-
-NetworkService::~NetworkService() {
-  // Call each Network and ask it to release its net::URLRequestContext, as they
-  // may have references to shared objects owned by the NetworkService. The
-  // NetworkContexts deregister themselves in Cleanup(), so have to be careful.
-  while (!network_contexts_.empty())
-    (*network_contexts_.begin())->Cleanup();
-}
-
-std::unique_ptr<NetworkService> NetworkService::CreateForTesting() {
-  return base::WrapUnique(new NetworkService());
-}
-
-void NetworkService::RegisterNetworkContext(NetworkContext* network_context) {
-  DCHECK_EQ(0u, network_contexts_.count(network_context));
-  network_contexts_.insert(network_context);
-}
-
-void NetworkService::DeregisterNetworkContext(NetworkContext* network_context) {
-  DCHECK_EQ(1u, network_contexts_.count(network_context));
-  network_contexts_.erase(network_context);
-}
-
-void NetworkService::CreateNetworkContext(
-    mojom::NetworkContextRequest request,
-    mojom::NetworkContextParamsPtr params) {
-  // The NetworkContext will destroy itself on connection error, or when the
-  // service is destroyed.
-  new NetworkContext(this, std::move(request), std::move(params));
-}
-
-NetworkService::NetworkService() : NetworkService(nullptr) {}
-
-void NetworkService::OnBindInterface(
-    const service_manager::BindSourceInfo& source_info,
-    const std::string& interface_name,
-    mojo::ScopedMessagePipeHandle interface_pipe) {
-  registry_->BindInterface(source_info, interface_name,
-                           std::move(interface_pipe));
-}
-
-void NetworkService::Create(const service_manager::BindSourceInfo& source_info,
-                            mojom::NetworkServiceRequest request) {
-  DCHECK(!binding_.is_bound());
-  binding_.Bind(std::move(request));
-}
-
-}  // namespace content