Remove SPDY/2 code.

net/spdy/spdy_headers_block_parser.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_SPDY_HEADERS_BLOCK_PARSER_H_
 #define NET_SPDY_SPDY_HEADERS_BLOCK_PARSER_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 46 matching lines @@
     HEADER_BLOCK_TOO_LARGE,
     // Set when a header key or value exceeds |kMaximumFieldLength|.
     HEADER_FIELD_TOO_LARGE,
     // Set when the parser is given an unexpected stream ID.
     UNEXPECTED_STREAM_ID,
   };
   ParserError get_error() const { return error_; }
 
   SpdyMajorVersion spdy_version() const { return spdy_version_; }
 
-  // Returns the size in bytes of a length field in a SPDY header.
-  static size_t LengthFieldSizeForVersion(SpdyMajorVersion spdy_version);
-
   // Returns the maximal number of headers in a SPDY headers block.
-  static size_t MaxNumberOfHeadersForVersion(SpdyMajorVersion spdy_version);
+  static size_t MaxNumberOfHeaders();
 
  private:
   typedef SpdyPrefixedBufferReader Reader;
 
   // Parses and sanity-checks header block length.
   void ParseBlockLength(Reader* reader);
 
   // Parses and sanity-checks header field length.
   void ParseFieldLength(Reader* reader);
 
   // Parses and decodes network-order lengths into |parsed_length|.
   void ParseLength(Reader* reader, uint32_t* parsed_length);
 
   // The state of the parser.
   enum ParserState {
     READING_HEADER_BLOCK_LEN,
     READING_KEY_LEN,
     READING_KEY,
     READING_VALUE_LEN,
     READING_VALUE,
     FINISHED_HEADER
   };
   ParserState state_;
 
-  // Size in bytes of a length field in the spdy header.
-  const size_t length_field_size_;
-
   // The maximal number of headers in a SPDY headers block.
   const size_t max_headers_in_block_;
 
   // A running total of the bytes parsed since the last call to Reset().
   size_t total_bytes_received_;
 
   // Number of key-value pairs until we complete handling the current
   // headers block.
   uint32_t remaining_key_value_pairs_for_frame_;
 
@@ skipping 15 matching lines @@
   SpdyStreamId stream_id_;
 
   ParserError error_;
 
   const SpdyMajorVersion spdy_version_;
 };
 
 }  // namespace net
 
 #endif  // NET_SPDY_SPDY_HEADERS_BLOCK_PARSER_H_