Remove ERR_QUIC_BROKEN_ERROR and instead use ERR_QUIC_PROTOCOL_ERROR

net/quic/chromium/quic_http_stream.cc

Index: net/quic/chromium/quic_http_stream.cc
diff --git a/net/quic/chromium/quic_http_stream.cc b/net/quic/chromium/quic_http_stream.cc
index 78f4bac78906c78fe11095231723f13a1727303a..b634dea8085886b13c5d3b18640526b0d727d3d8 100644
--- a/net/quic/chromium/quic_http_stream.cc
+++ b/net/quic/chromium/quic_http_stream.cc
@@ -891,15 +891,6 @@ int QuicHttpStream::ComputeResponseStatus() const {
 
   DCHECK_NE(QUIC_HANDSHAKE_TIMEOUT, quic_connection_error_);
 
-  // If the headers have not been received and QUIC is now broken, return
-  // ERR_QUIC_BROKEN_ERROR to permit HttpNetworkTransaction to retry the request
-  // over TCP.
-  if (!response_headers_received_ &&
-      http_server_properties_->IsAlternativeServiceBroken(AlternativeService(
-          kProtoQUIC, server_id_.host(), server_id_.port()))) {
-    return ERR_QUIC_BROKEN_ERROR;
-  }
-
   return ERR_QUIC_PROTOCOL_ERROR;
 }