Update from https://crrev.com/315085

net/cert/x509_certificate_mac.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.
 
 #include "net/cert/x509_certificate.h"
 
 #include <CommonCrypto/CommonDigest.h>
 #include <CoreServices/CoreServices.h>
 #include <Security/Security.h>
 
@@ skipping 431 matching lines @@
   if (status == CSSM_OK && key_usage.field()) {
     const CSSM_X509_EXTENSION* ext = key_usage.GetAs<CSSM_X509_EXTENSION>();
     const CE_ExtendedKeyUsage* ext_key_usage =
         reinterpret_cast<const CE_ExtendedKeyUsage*>(ext->value.parsedValue);
     if (!ExtendedKeyUsageAllows(ext_key_usage, &CSSMOID_ClientAuth))
       return false;
   }
   return true;
 }
 
-CFArrayRef X509Certificate::CreateOSCertChainForCert() const {
+CFMutableArrayRef X509Certificate::CreateOSCertChainForCert() const {
   CFMutableArrayRef cert_list =
       CFArrayCreateMutable(kCFAllocatorDefault, 0,
                            &kCFTypeArrayCallBacks);
   if (!cert_list)
     return NULL;
 
   CFArrayAppendValue(cert_list, os_cert_handle());
   for (size_t i = 0; i < intermediate_ca_certs_.size(); ++i)
     CFArrayAppendValue(cert_list, intermediate_ca_certs_[i]);
 
@@ skipping 99 matching lines @@
   status = SecCertificateGetData(cert_handle, &cert_data);
   if (status)
     return false;
 
   if (CSSM_CL_CertVerify(cl_handle, 0, &cert_data, &cert_data, NULL, 0))
     return false;
   return true;
 }
 
 }  // namespace net