Revert 198736 "Land Recent QUIC changes"

trunk/src/net/quic/quic_spdy_decompressor.h

-// Copyright (c) 2013 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_QUIC_SPDY_DECOMPRESSOR_H_
-#define NET_QUIC_QUIC_SPDY_DECOMPRESSOR_H_
-
-#include <string>
-
-#include "base/basictypes.h"
-#include "base/memory/scoped_ptr.h"
-#include "base/strings/string_piece.h"
-#include "net/base/net_export.h"
-#include "net/quic/quic_protocol.h"
-#include "net/spdy/spdy_framer.h"
-
-namespace net {
-
-class SpdyFramerVisitor;
-
-// Handles the compression of request/response headers blocks.
-class NET_EXPORT_PRIVATE QuicSpdyDecompressor {
- public:
-  // Interface that receives callbacks with decompressed data as it
-  // becomes available.
-  class NET_EXPORT_PRIVATE Visitor {
-   public:
-    virtual ~Visitor() {}
-    virtual bool OnDecompressedData(base::StringPiece data) = 0;
-  };
-
-  QuicSpdyDecompressor();
-  ~QuicSpdyDecompressor();
-
-  // Decompresses the data in |data| and invokes |OnDecompressedData|,
-  // possibly multiple times, on |visitor|.  Returns number of bytes
-  // consumed from |data|.
-  size_t DecompressData(base::StringPiece data, Visitor* visitor);
-
-  QuicHeaderId current_header_id() { return current_header_id_; }
-
- private:
-  void ResetForNextHeaders();
-
-  SpdyFramer spdy_framer_;
-  scoped_ptr<SpdyFramerVisitor> spdy_visitor_;
-  // ID of the header currently being parsed.
-  QuicHeaderId current_header_id_;
-  // True when the size of the headers has been parsed.
-  bool has_current_compressed_size_;
-  // Size of the headers being parsed.
-  uint32 current_compressed_size_;
-  // Buffer into which the partial compressed size is written until
-  // it is fully parsed.
-  std::string compressed_size_buffer_;
-  // Number of compressed bytes consumed, out of the total in
-  // |current_compressed_size_|.
-  uint32 compressed_bytes_consumed_;
-  DISALLOW_COPY_AND_ASSIGN(QuicSpdyDecompressor);
-};
-
-}  // namespace net
-
-#endif  // NET_QUIC_QUIC_SPDY_DECOMPRESSOR_H_