Check TBSCertificate.algorithm and Certificate.signatureAlgorithm for

net/cert/asn1_util.h

Index: net/cert/asn1_util.h
diff --git a/net/cert/asn1_util.h b/net/cert/asn1_util.h
index fb64bfbb58b38462872e5f7e911dc8b38d86bd07..e7f9ebb132d18e338172760d8ef69c419ba03670 100644
--- a/net/cert/asn1_util.h
+++ b/net/cert/asn1_util.h
@@ -50,6 +50,11 @@ NET_EXPORT_PRIVATE bool ExtractCRLURLsFromDERCert(
 // present or if there was a parsing failure.
 NET_EXPORT_PRIVATE bool HasTLSFeatureExtension(base::StringPiece cert);
 
+NET_EXPORT_PRIVATE bool ExtractSignatureAlgorithmsFromDERCert(
+    base::StringPiece cert,
+    base::StringPiece* cert_signature_algorithm_sequence,
+    base::StringPiece* tbs_signature_algorithm_sequence);
+
 } // namespace asn1
 
 } // namespace net