Make dynamic access to SSLSetSessionOption static

net/socket/ssl_client_socket_mac.cc

 // Copyright (c) 2008-2009 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_mac.h"
 
 #include <CoreServices/CoreServices.h>
 
 #include "base/scoped_cftyperef.h"
 #include "base/singleton.h"
@@ skipping 708 matching lines @@
   // the server certificate and then re-enter that handshake (assuming the
   // certificate successfully validated).
   //
   // If SSLSetSessionOption() is not present, we do not enable session
   // resumption, because in that case we are verifying the server's certificate
   // after the handshake completes (but before any application data is
   // exchanged). If we were to enable session resumption in this situation,
   // the session would be cached before we verified the certificate, leaving
   // the potential for a session in which the certificate failed to validate
   // to still be able to be resumed.
-  SSLSetSessionOptionFuncPtr ssl_set_session_options =
+  static SSLSetSessionOptionFuncPtr ssl_set_session_options =
       LookupFunction<SSLSetSessionOptionFuncPtr>(CFSTR("com.apple.security"),
                                                  CFSTR("SSLSetSessionOption"));
   if (ssl_set_session_options) {
     status = ssl_set_session_options(ssl_context_,
                                      kSSLSessionOptionBreakOnServerAuth,
                                      true);
     if (!status)
       status = ssl_set_session_options(ssl_context_,
                                        kSSLSessionOptionBreakOnCertRequested,
                                        true);
@@ skipping 424 matching lines @@
   if (rv < 0 && rv != ERR_IO_PENDING) {
     us->write_io_buf_ = NULL;
     return OSStatusFromNetError(rv);
   }
 
   // always lie to our caller
   return noErr;
 }
 
 }  // namespace net