Remove OnCertDBChanged |cert| parameter.

net/quic/chromium/quic_stream_factory.cc

Index: net/quic/chromium/quic_stream_factory.cc
diff --git a/net/quic/chromium/quic_stream_factory.cc b/net/quic/chromium/quic_stream_factory.cc
index 60a70d0854596d33b48cfb497ae2f9cf13fcc32c..7766eac8978600d5638edb4c8a07826bce381dde 100644
--- a/net/quic/chromium/quic_stream_factory.cc
+++ b/net/quic/chromium/quic_stream_factory.cc
@@ -1558,7 +1558,7 @@ void QuicStreamFactory::OnSSLConfigChanged() {
   CloseAllSessions(ERR_CERT_DATABASE_CHANGED, QUIC_CONNECTION_CANCELLED);
 }
 
-void QuicStreamFactory::OnCertDBChanged(const X509Certificate* cert) {
+void QuicStreamFactory::OnCertDBChanged() {
   // We should flush the sessions if we removed trust from a
   // cert, because a previously trusted server may have become
   // untrusted.