Remove the fingerprint and ca_fingerprint from X509Certificate

net/ssl/client_cert_store_mac.cc

Index: net/ssl/client_cert_store_mac.cc
diff --git a/net/ssl/client_cert_store_mac.cc b/net/ssl/client_cert_store_mac.cc
index dad8b21e978f9dd7374348ad9059bce8190f05da..4b44ab37d1219ba18c5caed09d084797940e06ed 100644
--- a/net/ssl/client_cert_store_mac.cc
+++ b/net/ssl/client_cert_store_mac.cc
@@ -146,11 +146,11 @@ void GetClientCertsImpl(const scoped_refptr<X509Certificate>& preferred_cert,
       continue;
 
     // Skip duplicates (a cert may be in multiple keychains).
-    const SHA1HashValue& fingerprint = cert->fingerprint();
     auto cert_iter = std::find_if(
         selected_certs->begin(), selected_certs->end(),
-        [&fingerprint](const scoped_refptr<X509Certificate>& cert) {
-          return cert->fingerprint() == fingerprint;
+        [&cert](const scoped_refptr<X509Certificate>& other_cert) {
+          return X509Certificate::IsSameOSCert(cert->os_cert_handle(),
+                                               other_cert->os_cert_handle());
         });
     if (cert_iter != selected_certs->end())
       continue;