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

net/socket/mock_client_socket_pool_manager.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_SOCKET_MOCK_CLIENT_SOCKET_POOL_MANAGER_H_
 #define NET_SOCKET_MOCK_CLIENT_SOCKET_POOL_MANAGER_H_
 
 #include "base/basictypes.h"
 #include "net/socket/client_socket_pool_manager.h"
 #include "net/socket/client_socket_pool_manager_impl.h"
 
 namespace net {
 
 class MockClientSocketPoolManager : public ClientSocketPoolManager {
  public:
   MockClientSocketPoolManager();
   virtual ~MockClientSocketPoolManager();
 
   // Sets "override" socket pools that get used instead.
   void SetTransportSocketPool(TransportClientSocketPool* pool);
   void SetSSLSocketPool(SSLClientSocketPool* pool);
   void SetSocketPoolForSOCKSProxy(const HostPortPair& socks_proxy,
                                   SOCKSClientSocketPool* pool);
   void SetSocketPoolForHTTPProxy(const HostPortPair& http_proxy,
                                  HttpProxyClientSocketPool* pool);
   void SetSocketPoolForSSLWithProxy(const HostPortPair& proxy_server,
                                     SSLClientSocketPool* pool);
 
   // ClientSocketPoolManager methods:
-  virtual void FlushSocketPools() OVERRIDE;
+  virtual void FlushSocketPoolsWithError(int error) OVERRIDE;
   virtual void CloseIdleSockets() OVERRIDE;
   virtual TransportClientSocketPool* GetTransportSocketPool() OVERRIDE;
   virtual SSLClientSocketPool* GetSSLSocketPool() OVERRIDE;
   virtual SOCKSClientSocketPool* GetSocketPoolForSOCKSProxy(
       const HostPortPair& socks_proxy) OVERRIDE;
   virtual HttpProxyClientSocketPool* GetSocketPoolForHTTPProxy(
       const HostPortPair& http_proxy) OVERRIDE;
   virtual SSLClientSocketPool* GetSocketPoolForSSLWithProxy(
       const HostPortPair& proxy_server) OVERRIDE;
   virtual base::Value* SocketPoolInfoToValue() const OVERRIDE;
@@ skipping 13 matching lines @@
   SOCKSSocketPoolMap socks_socket_pools_;
   HTTPProxySocketPoolMap http_proxy_socket_pools_;
   SSLSocketPoolMap ssl_socket_pools_for_proxies_;
 
   DISALLOW_COPY_AND_ASSIGN(MockClientSocketPoolManager);
 };
 
 }  // namespace net
 
 #endif  // NET_SOCKET_MOCK_CLIENT_SOCKET_POOL_MANAGER_H_