net: boost AES-GCM ciphers if the machine has AES-NI.

net/socket/ssl_client_socket_nss.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.
 
 // This file includes code SSLClientSocketNSS::DoVerifyCertComplete() derived
 // from AuthCertificateCallback() in
 // mozilla/security/manager/ssl/src/nsNSSCallbacks.cpp.
 
 /* ***** BEGIN LICENSE BLOCK *****
  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
@@ skipping 3126 matching lines @@
   }
 
   for (std::vector<uint16>::const_iterator it =
            ssl_config_.disabled_cipher_suites.begin();
        it != ssl_config_.disabled_cipher_suites.end(); ++it) {
     // This will fail if the specified cipher is not implemented by NSS, but
     // the failure is harmless.
     SSL_CipherPrefSet(nss_fd_, *it, PR_FALSE);
   }
 
+  size_t cipher_order_len;
+  const uint16* cipher_order = GetNSSCipherOrder(&cipher_order_len);
+  if (cipher_order) {
+    rv = SSL_CipherOrderSet(nss_fd_, cipher_order, cipher_order_len);
+    if (rv != SECSuccess) {
+      LogFailedNSSFunction(net_log_, "SSL_CipherOrderSet", "");
+    }
+  }
+
   // Support RFC 5077
   rv = SSL_OptionSet(nss_fd_, SSL_ENABLE_SESSION_TICKETS, PR_TRUE);
   if (rv != SECSuccess) {
     LogFailedNSSFunction(
         net_log_, "SSL_OptionSet", "SSL_ENABLE_SESSION_TICKETS");
   }
 
   rv = SSL_OptionSet(nss_fd_, SSL_ENABLE_FALSE_START,
                      ssl_config_.false_start_enabled);
   if (rv != SECSuccess)
@@ skipping 348 matching lines @@
   EnsureThreadIdAssigned();
   base::AutoLock auto_lock(lock_);
   return valid_thread_id_ == base::PlatformThread::CurrentId();
 }
 
 ServerBoundCertService* SSLClientSocketNSS::GetServerBoundCertService() const {
   return server_bound_cert_service_;
 }
 
 }  // namespace net