Build a chain in ClientCertStoreNSS to send intermediates to the server.

net/cert/scoped_nss_types.h

Index: net/cert/scoped_nss_types.h
diff --git a/net/cert/scoped_nss_types.h b/net/cert/scoped_nss_types.h
index 0eb8d844f9db18c4e248f934d9e5646fe8338786..98906b05f558f32118791b89c0ec6f6f831895d1 100644
--- a/net/cert/scoped_nss_types.h
+++ b/net/cert/scoped_nss_types.h
@@ -17,7 +17,15 @@ struct FreeCERTCertificate {
   }
 };
 
-typedef scoped_ptr<CERTCertificate, FreeCERTCertificate> ScopedCERTCertificate;
+struct FreeCERTCertificateList {
+  void operator()(CERTCertificateList* x) const {
+    CERT_DestroyCertificateList(x);
+  }
+};
+
+using ScopedCERTCertificate = scoped_ptr<CERTCertificate, FreeCERTCertificate>;
+using ScopedCERTCertificateList =
+    scoped_ptr<CERTCertificateList, FreeCERTCertificateList>;
 
 }  // namespace net