Adding User Certificate (.crt) Import to Certificate Manager

net/cert/nss_cert_database.h

Index: net/cert/nss_cert_database.h
diff --git a/net/cert/nss_cert_database.h b/net/cert/nss_cert_database.h
index 42447f95a733b1b7efed148d9cf5769f3f56be0d..f67a4a346017cc0dae92974a0b01e73a11caeef6 100644
--- a/net/cert/nss_cert_database.h
+++ b/net/cert/nss_cert_database.h
@@ -192,6 +192,11 @@ class NET_EXPORT NSSCertDatabase {
   // TODO(mattm): improve this to handle any order.
   X509Certificate* FindRootInList(const CertificateList& certificates) const;
 
+  // Import a user certificate. The private key for the user certificate must
+  // already be installed, otherwise we return ERR_NO_PRIVATE_KEY_FOR_CERT.
+  // Returns OK or a network error code.
+  int ImportUserCert(const std::string& data);
+
   // Import CA certificates.
   // Tries to import all the certificates given.  The root will be trusted
   // according to |trust_bits|.  Any certificates that could not be imported