Change the AlternativeServiceMap with SchemeOriginPair key.

net/http/http_network_transaction.cc

Index: net/http/http_network_transaction.cc
diff --git a/net/http/http_network_transaction.cc b/net/http/http_network_transaction.cc
index 5f7c4bd99743851434119aee7608fc88bfce0635..369699de44fc57fa713da9244d4b1e4ff9dba43d 100644
--- a/net/http/http_network_transaction.cc
+++ b/net/http/http_network_transaction.cc
@@ -1201,7 +1201,7 @@ int HttpNetworkTransaction::DoReadHeadersComplete(int result) {
   }
 
   session_->http_stream_factory()->ProcessAlternativeServices(
-      session_, response_.headers.get(), HostPortPair::FromURL(request_->url));
+      session_, response_.headers.get(), url::SchemeHostPort(request_->url));
 
   if (IsSecureRequest())
     stream_->GetSSLInfo(&response_.ssl_info);