move X509Certificate::SupportsSSLClientAuth to client_cert_store_mac.cc

net/cert/x509_certificate.h

Index: net/cert/x509_certificate.h
diff --git a/net/cert/x509_certificate.h b/net/cert/x509_certificate.h
index aa123fc334d095d904ec92d40fa2ea59f88f4e86..cc3199666cfe1a22255f8fd39635831f345d056a 100644
--- a/net/cert/x509_certificate.h
+++ b/net/cert/x509_certificate.h
@@ -216,9 +216,6 @@ class NET_EXPORT X509Certificate
   }
 
 #if defined(OS_MACOSX)
-  // Does this certificate's usage allow SSL client authentication?
-  bool SupportsSSLClientAuth() const;
-
   // Returns a new CFMutableArrayRef containing this certificate and its
   // intermediate certificates in the form expected by Security.framework
   // and Keychain Services, or NULL on failure.