Remove all blimp network code.

blimp/net/blimp_message_multiplexer.h

-// Copyright 2015 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 BLIMP_NET_BLIMP_MESSAGE_MULTIPLEXER_H_
-#define BLIMP_NET_BLIMP_MESSAGE_MULTIPLEXER_H_
-
-#include <memory>
-
-#include "base/macros.h"
-#include "base/memory/weak_ptr.h"
-#include "blimp/common/proto/blimp_message.pb.h"
-#include "blimp/net/blimp_net_export.h"
-
-namespace blimp {
-
-class BlimpMessageProcessor;
-
-// Creates MessageProcessors that receive outgoing messages and put them
-// onto a multiplexed message stream.
-// BlimpMessageMultiplexer is created on the UI thread, and then used and
-// destroyed on the IO thread.
-class BLIMP_NET_EXPORT BlimpMessageMultiplexer {
- public:
-  // |output_processor|: A pointer to the MessageProcessor that will receive the
-  // multiplexed message stream.
-  explicit BlimpMessageMultiplexer(BlimpMessageProcessor* output_processor);
-
-  ~BlimpMessageMultiplexer();
-
-  // Creates a BlimpMessageProcessor object for sending messages of type
-  // |feature_case|. Any number of senders can be created at a time for a given
-  // type.
-  std::unique_ptr<BlimpMessageProcessor> CreateSender(
-      BlimpMessage::FeatureCase feature_case);
-
- private:
-  base::WeakPtrFactory<BlimpMessageProcessor> output_weak_factory_;
-
-  DISALLOW_COPY_AND_ASSIGN(BlimpMessageMultiplexer);
-};
-
-}  // namespace blimp
-
-#endif  // BLIMP_NET_BLIMP_MESSAGE_MULTIPLEXER_H_