Add X509CertificateBytes which uses CRYPTO_BUFFER instead of macOS-native certificate types.

chrome/browser/ui/certificate_viewer_mac.mm

Index: chrome/browser/ui/certificate_viewer_mac.mm
diff --git a/chrome/browser/ui/certificate_viewer_mac.mm b/chrome/browser/ui/certificate_viewer_mac.mm
index 6415e99f9486ec9d986d58e0d47de12fc838e489..370ee6d234fb201f976d78c44891e0dca3ff8301 100644
--- a/chrome/browser/ui/certificate_viewer_mac.mm
+++ b/chrome/browser/ui/certificate_viewer_mac.mm
@@ -99,7 +99,10 @@ void MaybeConstrainPanelSizeForSierraBug() {
                      forWebContents:(content::WebContents*)webContents {
   if ((self = [super init])) {
     base::ScopedCFTypeRef<CFArrayRef> certChain(
-        certificate->CreateOSCertChainForCert());
+        net::x509_util::CreateSecCertificateArrayForX509Certificate(
+            certificate));
+    if (!certChain)
+      return self;
     NSArray* certificates = base::mac::CFToNSCast(certChain.get());
     certificates_.reset([certificates retain]);
   }