Define Stable API for WebRTC/Quartc

net/quic/quartc/quartc_alarm_factory.h

Index: net/quic/quartc/quartc_alarm_factory.h
diff --git a/net/quic/quartc/quartc_alarm_factory.h b/net/quic/quartc/quartc_alarm_factory.h
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+++ b/net/quic/quartc/quartc_alarm_factory.h
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+// 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_ALARM_FACTORY_H_
+#define NET_QUIC_QUARTC_QUARTC_ALARM_FACTORY_H_
+
+#include <utility>
+
+#include "net/quic/core/quic_alarm_factory.h"
+#include "net/quic/core/quic_clock.h"
+
+namespace base {
+class TaskRunner;
+}  // namespace base
+
+namespace net {
+
+// Creates Chromium-based QuartcAlarms used throughout QUIC. The alarm posts
+// messages to the Chromium message queue for tasks such as retransmission.
+// Used for the tests inside Chromium.
+class NET_EXPORT_PRIVATE QuartcAlarmFactory : public QuicAlarmFactory {
+ public:
+  QuartcAlarmFactory(base::TaskRunner* task_runner, const QuicClock* clock);
+  ~QuartcAlarmFactory() override;
+
+  QuicAlarm* CreateAlarm(QuicAlarm::Delegate* delegate) override;
+
+  QuicArenaScopedPtr<QuicAlarm> CreateAlarm(
+      QuicArenaScopedPtr<QuicAlarm::Delegate> delegate,
+      QuicConnectionArena* arena) override;
+
+ private:
+  base::TaskRunner* task_runner_;
+  // Not owned by QuartcAlarmFactory. The implementation of
+  // QuicConnectionHelperInterface owns it.
+  const QuicClock* clock_;
+
+  DISALLOW_COPY_AND_ASSIGN(QuartcAlarmFactory);
+};
+
+}  // namespace net
+
+#endif  // NET_QUIC_QUARTC_QUARTC_ALARM_FACTORY_H_