Cleanup: Remove unneeded forward declararations in net.

net/socket/client_socket_factory.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_CLIENT_SOCKET_FACTORY_H_
 #define NET_SOCKET_CLIENT_SOCKET_FACTORY_H_
 #pragma once
 
 #include <string>
 
 #include "base/basictypes.h"
 #include "net/base/net_export.h"
 #include "net/base/net_log.h"
 #include "net/base/rand_callback.h"
 #include "net/udp/datagram_socket.h"
 
 namespace net {
 
 class AddressList;
-class CertVerifier;
 class ClientSocketHandle;
 class DatagramClientSocket;
-class DnsCertProvenanceChecker;
 class HostPortPair;
 class SSLClientSocket;
 struct SSLClientSocketContext;
 struct SSLConfig;
 class SSLHostInfo;
 class StreamSocket;
 
 // An interface used to instantiate StreamSocket objects.  Used to facilitate
 // testing code with mock socket implementations.
 class NET_EXPORT ClientSocketFactory {
@@ skipping 37 matching lines @@
   // Returns the default ClientSocketFactory.
   static ClientSocketFactory* GetDefaultFactory();
 
   // Instructs the default ClientSocketFactory to use the system SSL library.
   static void UseSystemSSL();
 };
 
 }  // namespace net
 
 #endif  // NET_SOCKET_CLIENT_SOCKET_FACTORY_H_