Retry HttpNetworkTransactions upon receipt of ERR_NETWORK_CHANGED during host resolution and …

net/http/http_request_info.h

 // Copyright (c) 2011 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_HTTP_HTTP_REQUEST_INFO_H__
 #define NET_HTTP_HTTP_REQUEST_INFO_H__
 
 #include <string>
 
 #include "base/basictypes.h"
@@ skipping 34 matching lines @@
 
   // Any load flags (see load_flags.h).
   int load_flags;
 
   // The motivation behind this request.
   RequestMotivation motivation;
 
   // If enabled, then request must be sent over connection that cannot be
   // tracked by the server (e.g. without channel id).
   PrivacyMode privacy_mode;
+
+  // How many times to automatically retry request when request fails with
+  // ERR_NETWORK_CHANGED. Retrying is only attempted when ERR_NETWORK_CHANGED
+  // is received during host resolution or connecting (i.e. before the request
+  // has been issued). This ensures request side-effects are never duplicated.
+  int max_automatic_retries_on_network_changes_;
 };
 
 }  // namespace net
 
 #endif  // NET_HTTP_HTTP_REQUEST_INFO_H__