Revert of [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_