Adds CreateSelfSignedCertEC to x509_util.h in preparation of persistent DTLS identity store for Web…

net/cert/x509_util.h

Index: net/cert/x509_util.h
diff --git a/net/cert/x509_util.h b/net/cert/x509_util.h
index 50ffc7f55fc9538cd6ca724e292cd224722ebc64..c239effe9d975ebc1085500be10a80adb1d72c49 100644
--- a/net/cert/x509_util.h
+++ b/net/cert/x509_util.h
@@ -44,6 +44,18 @@ NET_EXPORT_PRIVATE bool CreateDomainBoundCertEC(
     base::Time not_valid_after,
     std::string* der_cert);
 
+// Creates a self-signed certificate containing the public key in |key|.
+// Common name, serial number and validity period are given as parameters.
+// The certificate is signed by the private key in |key|.
+// The hashing algorithm for the signature is SHA-1.
+NET_EXPORT_PRIVATE bool CreateSelfSignedCertEC(
+    crypto::ECPrivateKey* key,
+    const std::string& common_name,
+    uint32 serial_number,
+    base::Time not_valid_before,
+    base::Time not_valid_after,
+    std::string* der_cert);
+
 // Comparator for use in STL algorithms that will sort client certificates by
 // order of preference.
 // Returns true if |a| is more preferable than |b|, allowing it to be used