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

net/socket/mock_client_socket_pool_manager.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/mock_client_socket_pool_manager.h"
 
 #include "net/http/http_proxy_client_socket_pool.h"
 #include "net/socket/socks_client_socket_pool.h"
 #include "net/socket/ssl_client_socket_pool.h"
 #include "net/socket/transport_client_socket_pool.h"
@@ skipping 24 matching lines @@
     HttpProxyClientSocketPool* pool) {
   http_proxy_socket_pools_[http_proxy] = pool;
 }
 
 void MockClientSocketPoolManager::SetSocketPoolForSSLWithProxy(
     const HostPortPair& proxy_server,
     SSLClientSocketPool* pool) {
   ssl_socket_pools_for_proxies_[proxy_server] = pool;
 }
 
-void MockClientSocketPoolManager::FlushSocketPools() {
+void MockClientSocketPoolManager::FlushSocketPoolsWithError(int error) {
   NOTIMPLEMENTED();
 }
 
 void MockClientSocketPoolManager::CloseIdleSockets() {
   NOTIMPLEMENTED();
 }
 
 TransportClientSocketPool*
 MockClientSocketPoolManager::GetTransportSocketPool() {
   return transport_socket_pool_.get();
@@ skipping 29 matching lines @@
     return it->second;
   return NULL;
 }
 
 base::Value* MockClientSocketPoolManager::SocketPoolInfoToValue() const {
   NOTIMPLEMENTED();
   return NULL;
 }
 
 }  // namespace net