Attempt four at landing the "histogram.h removed from message_loop.h" patch.

net/tools/fetch/http_listen_socket.cc

 // Copyright (c) 2009 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/tools/fetch/http_listen_socket.h"
+
+#include <map>
+
 #include "base/compiler_specific.h"
 #include "base/logging.h"
 #include "base/message_loop.h"
 #include "base/string_util.h"
-#include "net/tools/fetch/http_listen_socket.h"
 #include "net/tools/fetch/http_server_request_info.h"
 #include "net/tools/fetch/http_server_response_info.h"
 
 // must run in the IO thread
 HttpListenSocket::HttpListenSocket(SOCKET s,
                                    HttpListenSocket::Delegate* delegate)
     : ALLOW_THIS_IN_INITIALIZER_LIST(ListenSocket(s, this)),
       delegate_(delegate) {
 }
 
@@ skipping 214 matching lines @@
 
   // End of headers
   response += "\r\n";
 
   // Add data
   response += data;
 
   // Write it all out.
   this->Send(response, false);
 }