net: Cleanup class/struct forward declarations

net/socket/ssl_client_socket.h

 // 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.
 
 #ifndef NET_SOCKET_SSL_CLIENT_SOCKET_H_
 #define NET_SOCKET_SSL_CLIENT_SOCKET_H_
 
 #include <stdint.h>
 
 #include <string>
@@ skipping 17 matching lines @@
 class ECPrivateKey;
 }
 
 namespace net {
 
 class CTPolicyEnforcer;
 class CertVerifier;
 class ChannelIDService;
 class CTVerifier;
 class SSLCertRequestInfo;
-struct SSLConfig;
-class SSLInfo;
 class TransportSecurityState;
-class X509Certificate;
 
 // This struct groups together several fields which are used by various
 // classes related to SSLClientSocket.
 struct SSLClientSocketContext {
   SSLClientSocketContext() = default;
   SSLClientSocketContext(CertVerifier* cert_verifier_arg,
                          ChannelIDService* channel_id_service_arg,
                          TransportSecurityState* transport_security_state_arg,
                          CTVerifier* cert_transparency_verifier_arg,
                          CTPolicyEnforcer* ct_policy_enforcer_arg,
@@ skipping 100 matching lines @@
 
   // True if SCTs were received via a TLS extension.
   bool signed_cert_timestamps_received_;
   // True if a stapled OCSP response was received.
   bool stapled_ocsp_response_received_;
 };
 
 }  // namespace net
 
 #endif  // NET_SOCKET_SSL_CLIENT_SOCKET_H_