net: Cleanup class/struct forward declarations

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>
 
 #include <memory>
 
 #include "base/logging.h"
 #include "base/strings/string_piece.h"
 #include "net/base/net_export.h"
 #include "net/spdy/spdy_headers_handler_interface.h"
 #include "net/spdy/spdy_prefixed_buffer_reader.h"
 #include "net/spdy/spdy_protocol.h"
 
 namespace net {
 
-namespace test {
-
-class SpdyHeadersBlockParserPeer;
-
-}  // namespace test
-
 // This class handles SPDY headers block bytes and parses out key-value pairs
 // as they arrive. This class is not thread-safe, and assumes that all headers
 // block bytes are processed in a single thread.
 class NET_EXPORT_PRIVATE SpdyHeadersBlockParser {
  public:
   // Bound on acceptable header name or value length.
   static const size_t kMaximumFieldLength;  // = 16 * 1024
 
   // Constructor. The handler's OnHeader will be called for every key
   // value pair that we parsed from the headers block.
@@ skipping 81 matching lines @@
   SpdyStreamId stream_id_;
 
   ParserError error_;
 
   const SpdyMajorVersion spdy_version_;
 };
 
 }  // namespace net
 
 #endif  // NET_SPDY_SPDY_HEADERS_BLOCK_PARSER_H_