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

net/socket/ssl_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/ssl_client_socket_pool.h"
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/metrics/field_trial.h"
 #include "base/metrics/histogram.h"
@@ skipping 512 matching lines @@
 void SSLClientSocketPool::CancelRequest(const std::string& group_name,
                                         ClientSocketHandle* handle) {
   base_.CancelRequest(group_name, handle);
 }
 
 void SSLClientSocketPool::ReleaseSocket(const std::string& group_name,
                                         StreamSocket* socket, int id) {
   base_.ReleaseSocket(group_name, socket, id);
 }
 
-void SSLClientSocketPool::Flush() {
-  base_.Flush();
+void SSLClientSocketPool::FlushWithError(int error) {
+  base_.FlushWithError(error);
 }
 
 bool SSLClientSocketPool::IsStalled() const {
   return base_.IsStalled() ||
       (transport_pool_ && transport_pool_->IsStalled()) ||
       (socks_pool_ && socks_pool_->IsStalled()) ||
       (http_proxy_pool_ && http_proxy_pool_->IsStalled());
 }
 
 void SSLClientSocketPool::CloseIdleSockets() {
@@ skipping 51 matching lines @@
 
 base::TimeDelta SSLClientSocketPool::ConnectionTimeout() const {
   return base_.ConnectionTimeout();
 }
 
 ClientSocketPoolHistograms* SSLClientSocketPool::histograms() const {
   return base_.histograms();
 }
 
 void SSLClientSocketPool::OnSSLConfigChanged() {
-  Flush();
+  FlushWithError(ERR_NETWORK_CHANGED);
 }
 
 bool SSLClientSocketPool::CloseOneIdleConnection() {
   if (base_.CloseOneIdleSocket())
     return true;
   return base_.CloseOneIdleConnectionInLayeredPool();
 }
 
 }  // namespace net