Define Stable API for WebRTC/Quartc

net/quic/quartc/quartc_stream.h

Index: net/quic/quartc/quartc_stream.h
diff --git a/net/quic/quartc/quartc_stream.h b/net/quic/quartc/quartc_stream.h
new file mode 100644
index 0000000000000000000000000000000000000000..eb75b5465fddd6918b6ebc66ad427cf993d88c77
--- /dev/null
+++ b/net/quic/quartc/quartc_stream.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_STREAM_H_
+#define NET_QUIC_QUARTC_QUARTC_STREAM_H_
+
+#include "net/quic/core/quic_session.h"
+#include "net/quic/core/reliable_quic_stream.h"
+#include "net/quic/quartc/quartc_stream_interface.h"
+
+namespace net {
+
+// Implements a QuartcStreamInterface using a ReliableQuicStream.
+class NET_EXPORT_PRIVATE QuartcStream : public ReliableQuicStream,
+                                        public QuartcStreamInterface {
+ public:
+  QuartcStream(QuicStreamId id, QuicSession* session);
+
+  ~QuartcStream() override;
+
+  // ReliableQuicStream overrides.
+  void OnDataAvailable() override;
+
+  void OnClose() override;
+
+  void OnCanWrite() override;
+
+  // QuartcStreamInterface overrides.
+  uint32_t stream_id() override;
+
+  uint64_t buffered_amount() override;
+
+  bool fin_sent() override;
+
+  void Write(const char* data,
+             size_t size,
+             const WriteParameters& param) override;
+
+  void Close() override;
+
+  void SetDelegate(QuartcStreamInterface::Delegate* delegate) override;
+
+ private:
+  QuartcStreamInterface::Delegate* delegate_ = nullptr;
+};
+
+}  // namespace net
+
+#endif  // NET_QUIC_QUARTC_STREAM_H_