Introduce ERR_NETWORK_CHANGED and allow URLFetcher to automatically retry on that error.

net/socket/transport_client_socket_pool.cc

 // Copyright (c) 2012 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/socket/transport_client_socket_pool.h"
 
 #include <algorithm>
 
 #include "base/compiler_specific.h"
 #include "base/logging.h"
@@ skipping 401 matching lines @@
   base_.CancelRequest(group_name, handle);
 }
 
 void TransportClientSocketPool::ReleaseSocket(
     const std::string& group_name,
     StreamSocket* socket,
     int id) {
   base_.ReleaseSocket(group_name, socket, id);
 }
 
-void TransportClientSocketPool::Flush() {
-  base_.Flush();
+void TransportClientSocketPool::FlushWithError(int error) {
+  base_.FlushWithError(error);
 }
 
 bool TransportClientSocketPool::IsStalled() const {
   return base_.IsStalled();
 }
 
 void TransportClientSocketPool::CloseIdleSockets() {
   base_.CloseIdleSockets();
 }
 
@@ skipping 28 matching lines @@
 
 base::TimeDelta TransportClientSocketPool::ConnectionTimeout() const {
   return base_.ConnectionTimeout();
 }
 
 ClientSocketPoolHistograms* TransportClientSocketPool::histograms() const {
   return base_.histograms();
 }
 
 }  // namespace net