When a stream is created for a QUIC session to a server which has been

net/quic/chromium/quic_chromium_client_session.cc

Index: net/quic/chromium/quic_chromium_client_session.cc
diff --git a/net/quic/chromium/quic_chromium_client_session.cc b/net/quic/chromium/quic_chromium_client_session.cc
index ba9e2c2baa531633ee9cfcd8da6f4d0dd4975796..a12e9586708ba6e6eef3c09afa8bfd929a88541b 100644
--- a/net/quic/chromium/quic_chromium_client_session.cc
+++ b/net/quic/chromium/quic_chromium_client_session.cc
@@ -728,6 +728,11 @@ int QuicChromiumClientSession::WaitForHandshakeConfirmation(
 }
 
 int QuicChromiumClientSession::TryCreateStream(StreamRequest* request) {
+  if (stream_factory_->IsQuicBroken(this)) {
+    DVLOG(1) << "QUIC broken.";
+    return ERR_QUIC_PROTOCOL_ERROR;
+  }
+
   if (goaway_received()) {
     DVLOG(1) << "Going away.";
     return ERR_CONNECTION_CLOSED;