Define Stable API for WebRTC/Quartc

net/quic/quartc/quartc_at_exit_interface.h

+// Copyright (c) 2016 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 NET_QUIC_QUARTC_QUARTC_AT_EXIT_INTERFACE_H_
+#define NET_QUIC_QUARTC_QUARTC_AT_EXIT_INTERFACE_H_
+
+#include "net/base/net_export.h"
+
+namespace net {
+
+// Used to set and store an AtExitManager to manage the lifetime of the
+// Singletons in QUIC, such as QuicRandom.
+class QuartcAtExitManagerInterface {
+ public:
+  virtual ~QuartcAtExitManagerInterface() {}
+
+  // Creates an instance of AtExitManager to manage the life time of the
+  // Singletons. Only one AtExitManager is expected to be created in one
+  // process. When test_mode is true, more than one AtExitManagers can be
+  // created for one process but it is for unit tests only.
+  virtual void SetAtExitManager(bool test_mode) = 0;
+};
+
+// Creates an instance of QuartcAtExitManagerInterface.
+NET_EXPORT_PRIVATE std::unique_ptr<QuartcAtExitManagerInterface>
+CreateQuartcAtExitManager();
+
+}  // namespace net
+
+#endif  // NET_QUIC_QUARTC_QUARTC_AT_EXIT_INTERFACE_H_