Remove all blimp network code.

blimp/net/blimp_message_output_buffer.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_OUTPUT_BUFFER_H_
-#define BLIMP_NET_BLIMP_MESSAGE_OUTPUT_BUFFER_H_
-
-#include <stdint.h>
-
-#include <list>
-#include <queue>
-#include <utility>
-
-#include "base/macros.h"
-#include "blimp/net/blimp_message_checkpoint_observer.h"
-#include "blimp/net/blimp_message_processor.h"
-#include "blimp/net/blimp_net_export.h"
-#include "net/base/completion_callback.h"
-
-namespace blimp {
-
-// Provides a FIFO buffer for reliable, ordered message delivery.
-// Messages are retained for redelivery until they are acknowledged by the
-// receiving end (via BlimpMessageCheckpointObserver).
-// Messages can be paired with callbacks that are invoked on successful
-// message acknowledgment.
-// (Redelivery will be used in a future CL to implement Fast Recovery
-// of dropped connections.)
-// BlimpMessageOutputBuffer is created on the UI thread, and then used and
-// destroyed on the IO thread.
-class BLIMP_NET_EXPORT BlimpMessageOutputBuffer
-    : public BlimpMessageProcessor,
-      public BlimpMessageCheckpointObserver {
- public:
-  explicit BlimpMessageOutputBuffer(int max_buffer_size_bytes);
-  ~BlimpMessageOutputBuffer() override;
-
-  // Sets the processor that will be used for writing buffered messages.
-  void SetOutputProcessor(BlimpMessageProcessor* processor);
-
-  // Marks all messages in buffer for retransmission.
-  void RetransmitBufferedMessages();
-
-  // BlimpMessageProcessor implementation.
-  // |callback|, if set, will be called once the remote end has acknowledged the
-  // receipt of |message|.
-  void ProcessMessage(std::unique_ptr<BlimpMessage> message,
-                      const net::CompletionCallback& callback) override;
-
-  // MessageCheckpointObserver implementation.
-  void OnMessageCheckpoint(int64_t message_id) override;
-
-  int GetBufferByteSizeForTest() const;
-  int GetUnacknowledgedMessageCountForTest() const;
-
- private:
-  struct BufferEntry {
-    BufferEntry(std::unique_ptr<BlimpMessage> message,
-                net::CompletionCallback callback);
-    ~BufferEntry();
-
-    const std::unique_ptr<BlimpMessage> message;
-    const net::CompletionCallback callback;
-  };
-
-  typedef std::list<std::unique_ptr<BufferEntry>> MessageBuffer;
-
-  // Writes the next message in the buffer if an output processor is attached
-  // and the buffer contains a message.
-  void WriteNextMessageIfReady();
-
-  // Receives the completion status of a write operation.
-  void OnWriteComplete(int result);
-
-  BlimpMessageProcessor* output_processor_ = nullptr;
-  net::CancelableCompletionCallback write_complete_cb_;
-
-  // Maximum serialized footprint of buffered messages.
-  int max_buffer_size_bytes_;
-
-  // Serialized footprint of the messages contained in the write and ack
-  // buffers.
-  int current_buffer_size_bytes_ = 0;
-
-  // The ID used by the last outgoing message.
-  int64_t prev_message_id_ = 0;
-
-  // List of unsent messages.
-  MessageBuffer write_buffer_;
-
-  // List of messages that are sent and awaiting acknowledgment.
-  // The messages in |ack_buffer_| are contiguous with the messages in
-  // |write_buffer_|.
-  MessageBuffer ack_buffer_;
-
-  DISALLOW_COPY_AND_ASSIGN(BlimpMessageOutputBuffer);
-};
-
-}  // namespace blimp
-
-#endif  // BLIMP_NET_BLIMP_MESSAGE_OUTPUT_BUFFER_H_