refactor: rename the atom directory to shell

shell/browser/io_thread.h

@@ -0,0 +1,75 @@
+// Copyright (c) 2017 GitHub, Inc.
+// Use of this source code is governed by the MIT license that can be
+// found in the LICENSE file.
+
+#ifndef ATOM_BROWSER_IO_THREAD_H_
+#define ATOM_BROWSER_IO_THREAD_H_
+
+#include <memory>
+#include <set>
+
+#include "atom/browser/net/system_network_context_manager.h"
+#include "base/macros.h"
+#include "base/synchronization/lock.h"
+#include "content/public/browser/browser_thread_delegate.h"
+#include "services/network/public/mojom/network_service.mojom.h"
+
+namespace atom {
+class URLRequestContextGetter;
+}
+
+namespace net {
+class URLRequestContext;
+}
+
+namespace net_log {
+class ChromeNetLog;
+}
+
+class IOThread : public content::BrowserThreadDelegate {
+ public:
+  explicit IOThread(
+      net_log::ChromeNetLog* net_log,
+      SystemNetworkContextManager* system_network_context_manager);
+  ~IOThread() override;
+
+  void RegisterURLRequestContextGetter(atom::URLRequestContextGetter* getter);
+  void DeregisterURLRequestContextGetter(atom::URLRequestContextGetter* getter);
+
+ protected:
+  // BrowserThreadDelegate Implementation, runs on the IO thread.
+  void Init() override;
+  void CleanUp() override;
+
+ private:
+  // The NetLog is owned by the browser process, to allow logging from other
+  // threads during shutdown, but is used most frequently on the IOThread.
+  net_log::ChromeNetLog* net_log_;
+
+  // When the network service is disabled, this holds on to a
+  // content::NetworkContext class that owns |system_request_context_|.
+  std::unique_ptr<network::mojom::NetworkContext> system_network_context_;
+  net::URLRequestContext* system_request_context_;
+
+  // These are set on the UI thread, and then consumed during initialization on
+  // the IO thread.
+  network::mojom::NetworkContextRequest network_context_request_;
+  network::mojom::NetworkContextParamsPtr network_context_params_;
+
+  // Initial HTTP auth configuration used when setting up the NetworkService on
+  // the IO Thread. Future updates are sent using the NetworkService mojo
+  // interface, but initial state needs to be set non-racily.
+  network::mojom::HttpAuthStaticParamsPtr http_auth_static_params_;
+  network::mojom::HttpAuthDynamicParamsPtr http_auth_dynamic_params_;
+
+  // |lock_| protects access to |request_context_getters_|.
+  base::Lock lock_;
+
+  // List of all request contexts that needs to be notified when
+  // IO thread is shutting down.
+  std::set<atom::URLRequestContextGetter*> request_context_getters_;
+
+  DISALLOW_COPY_AND_ASSIGN(IOThread);
+};
+
+#endif  // ATOM_BROWSER_IO_THREAD_H_