Replace the existing SpdyHeaderBlock typedef with a class.

net/quic/test_tools/quic_test_packet_maker.cc

 // Copyright 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.
 
 #include "net/quic/test_tools/quic_test_packet_maker.h"
 
 #include <list>
 
 #include "net/quic/quic_framer.h"
 #include "net/quic/quic_http_utils.h"
@@ skipping 242 matching lines @@
   return MakeResponseHeadersPacket(
       packet_number, stream_id, should_include_version, fin, headers, nullptr);
 }
 
 SpdyHeaderBlock QuicTestPacketMaker::GetRequestHeaders(
     const std::string& method,
     const std::string& scheme,
     const std::string& path) {
   SpdyHeaderBlock headers;
   if (version_ <= QUIC_VERSION_24) {
+    headers[":version"] = "HTTP/1.1";
+  }
+  headers[":method"] = method;
+  if (version_ <= QUIC_VERSION_24) {
     headers[":host"] = host_;
   } else {
     headers[":authority"] = host_;
   }
+  headers[":scheme"] = scheme;
   headers[":path"] = path;
-  headers[":scheme"] = scheme;
-  headers[":method"] = method;
-  if (version_ <= QUIC_VERSION_24) {
-    headers[":version"] = "HTTP/1.1";
-  }
   return headers;
 }
 
 SpdyHeaderBlock QuicTestPacketMaker::GetResponseHeaders(
     const std::string& status) {
   SpdyHeaderBlock headers;
   headers[":status"] = status;
   if (version_ <= QUIC_VERSION_24) {
     headers[":version"] = "HTTP/1.1";
   }
@@ skipping 25 matching lines @@
   header_.public_header.version_flag = should_include_version;
   header_.public_header.packet_number_length = PACKET_1BYTE_PACKET_NUMBER;
   header_.packet_packet_number = packet_number;
   header_.fec_group = 0;
   header_.entropy_flag = false;
   header_.fec_flag = false;
 }
 
 }  // namespace test
 }  // namespace net