Check TBSCertificate.algorithm and Certificate.signatureAlgorithm for

net/cert/x509_certificate_nss.cc

Index: net/cert/x509_certificate_nss.cc
diff --git a/net/cert/x509_certificate_nss.cc b/net/cert/x509_certificate_nss.cc
index 2f2f97726629a7764dca228205b9ee0f2d7d2f76..822102fe153c3c0b89402e87cbc36809bae2522b 100644
--- a/net/cert/x509_certificate_nss.cc
+++ b/net/cert/x509_certificate_nss.cc
@@ -239,28 +239,6 @@ void X509Certificate::GetPublicKeyInfo(OSCertHandle cert_handle,
 }
 
 // static
-X509Certificate::SignatureHashAlgorithm
-X509Certificate::GetSignatureHashAlgorithm(OSCertHandle cert_handle) {
-  SECAlgorithmID& signature = cert_handle->signature;
-  SECOidTag oid_tag = SECOID_FindOIDTag(&signature.algorithm);
-  switch (oid_tag) {
-    case SEC_OID_PKCS1_MD5_WITH_RSA_ENCRYPTION:
-      return kSignatureHashAlgorithmMd5;
-    case SEC_OID_PKCS1_MD2_WITH_RSA_ENCRYPTION:
-      return kSignatureHashAlgorithmMd2;
-    case SEC_OID_PKCS1_MD4_WITH_RSA_ENCRYPTION:
-      return kSignatureHashAlgorithmMd4;
-    case SEC_OID_PKCS1_SHA1_WITH_RSA_ENCRYPTION:
-    case SEC_OID_ISO_SHA1_WITH_RSA_SIGNATURE:
-    case SEC_OID_ANSIX9_DSA_SIGNATURE_WITH_SHA1_DIGEST:
-    case SEC_OID_ANSIX962_ECDSA_SHA1_SIGNATURE:
-      return kSignatureHashAlgorithmSha1;
-    default:
-      return kSignatureHashAlgorithmOther;
-  }
-}
-
-// static
 bool X509Certificate::IsSelfSigned(OSCertHandle cert_handle) {
   crypto::ScopedSECKEYPublicKey public_key(CERT_ExtractPublicKey(cert_handle));
   if (!public_key.get())