Do not use HTTP/2 without adequate security.

net/socket/nss_ssl_util.h

Index: net/socket/nss_ssl_util.h
diff --git a/net/socket/nss_ssl_util.h b/net/socket/nss_ssl_util.h
index 7b046ffd282aec5c1a066220fbd6580865cfe03b..6a87e949fe738d885b9af213b0fa1dc4079aa18c 100644
--- a/net/socket/nss_ssl_util.h
+++ b/net/socket/nss_ssl_util.h
@@ -33,6 +33,10 @@ PRErrorCode MapErrorToNSS(int result);
 // to |SSL_ImportFD| in order to inherit some default options.
 PRFileDesc* GetNSSModelSocket();
 
+// Return cipher suites that the library knows about (not necessarily
+// implemented) and are not disabled by default at initialization.
+const std::vector<uint16>& GetNSSDefaultEnabledCipherSuites();
+
 // Map NSS error code to network error code.
 int MapNSSError(PRErrorCode err);