Retry HttpNetworkTransactions upon receipt of ERR_NETWORK_CHANGED during host resolution and …

net/http/http_request_info.h

Index: net/http/http_request_info.h
diff --git a/net/http/http_request_info.h b/net/http/http_request_info.h
index a587a421b5854d1d3405aeb359d03d4e4af495d7..348cf257addc53785fe5b5b198d0c44538d8fe84 100644
--- a/net/http/http_request_info.h
+++ b/net/http/http_request_info.h
@@ -52,6 +52,12 @@ struct NET_EXPORT HttpRequestInfo {
   // 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