[Chromoting] Add DataChannelManager to manage optional incoming data channels

remoting/protocol/fake_message_pipe_wrapper.h

+// 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.
+
+#ifndef REMOTING_PROTOCOL_FAKE_MESSAGE_PIPE_WRAPPER_H_
+#define REMOTING_PROTOCOL_FAKE_MESSAGE_PIPE_WRAPPER_H_
+
+#include <memory>
+
+#include "remoting/protocol/message_pipe.h"
+
+namespace google {
+namespace protobuf {
+class MessageLite;
+}  // namespace protobuf
+}  // namespace google
+
+namespace remoting {
+namespace protocol {
+
+class FakeMessagePipe;
+
+// This class should not be used explicitly: use FakeMessagePipe::Wrap().
+class FakeMessagePipeWrapper final : public MessagePipe {
+ public:
+  // |pipe| must outlive this instance.
+  explicit FakeMessagePipeWrapper(FakeMessagePipe* pipe);
+  ~FakeMessagePipeWrapper() override;
+
+  // MessagePipe implementation.
+  void Start(EventHandler* event_handler) override;
+  void Send(google::protobuf::MessageLite* message,
+            const base::Closure& done) override;
+
+  void Receive(std::unique_ptr<CompoundBuffer> message);
+  void OpenPipe();
+  void ClosePipe();
+
+ private:
+  FakeMessagePipe* const pipe_;
+};
+
+}  // namespace protocol
+}  // namespace remoting
+
+#endif  // REMOTING_PROTOCOL_FAKE_MESSAGE_PIPE_WRAPPER_H_