HPACK: Refactor and expand HpackHeaderTable indexing.

net/spdy/hpack_encoder.h

 // Copyright 2014 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_SPDY_HPACK_ENCODER_H_
 #define NET_SPDY_HPACK_ENCODER_H_
 
 #include <map>
 #include <string>
 
 #include "base/basictypes.h"
 #include "base/macros.h"
 #include "base/strings/string_piece.h"
 #include "net/base/net_export.h"
-#include "net/spdy/hpack_encoding_context.h"
 
 // An HpackEncoder encodes header sets as outlined in
 // http://tools.ietf.org/html/draft-ietf-httpbis-header-compression-06
 
 namespace net {
 
 namespace test {
 class HpackEncoderPeer;
 }  // namespace test
 
 class NET_EXPORT_PRIVATE HpackEncoder {
  public:
   friend class test::HpackEncoderPeer;
 
   explicit HpackEncoder();
   ~HpackEncoder();
 
   // Encodes the given header set into the given string. Returns
   // whether or not the encoding was successful.
   bool EncodeHeaderSet(const std::map<std::string, std::string>& header_set,
                        std::string* output);
 
  private:
   static void CookieToCrumbs(base::StringPiece cookie,
                              std::vector<base::StringPiece>* out);
 
   uint32 max_string_literal_size_;
-  HpackEncodingContext context_;
 
   DISALLOW_COPY_AND_ASSIGN(HpackEncoder);
 };
 
 }  // namespace net
 
 #endif  // NET_SPDY_HPACK_ENCODER_H_