Ignore certificate transparency by default.

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 3109 matching lines @@
   // Note that this is a completely synchronous operation: The CT Log Verifier
   // gets all the data it needs for SCT verification and does not do any
   // external communication.
   cert_transparency_verifier_->Verify(
       server_cert_verify_result_.verified_cert.get(),
       core_->state().stapled_ocsp_response,
       core_->state().sct_list_from_tls_extension, &ct_verify_result_, net_log_);
   // TODO(ekasper): wipe stapled_ocsp_response and sct_list_from_tls_extension
   // from the state after verification is complete, to conserve memory.
 
-  if (!policy_enforcer_) {
-    server_cert_verify_result_.cert_status &= ~CERT_STATUS_IS_EV;
-  } else {
+  if (policy_enforcer_) {
     if (server_cert_verify_result_.cert_status & CERT_STATUS_IS_EV) {

[Ryan Sleevi, 2015/06/26 14:16:17]

Can consolidate to one conditional

       scoped_refptr<ct::EVCertsWhitelist> ev_whitelist =
           SSLConfigService::GetEVCertsWhitelist();
       if (!policy_enforcer_->DoesConformToCTEVPolicy(
               server_cert_verify_result_.verified_cert.get(),
               ev_whitelist.get(), ct_verify_result_, net_log_)) {
         // TODO(eranm): Log via the BoundNetLog, see crbug.com/437766
         VLOG(1) << "EV certificate for "
                 << server_cert_verify_result_.verified_cert->subject()
                        .GetDisplayName()
                 << " does not conform to CT policy, removing EV status.";
@@ skipping 42 matching lines @@
   return channel_id_service_;
 }
 
 SSLFailureState SSLClientSocketNSS::GetSSLFailureState() const {
   if (completed_handshake_)
     return SSL_FAILURE_NONE;
   return SSL_FAILURE_UNKNOWN;
 }
 
 }  // namespace net