use std::unordered_map and std::unordered_set in QUIC code instead of

net/quic/test_tools/quic_session_peer.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "net/quic/test_tools/quic_session_peer.h"
 
 #include "base/stl_util.h"
 #include "net/quic/quic_session.h"
 #include "net/quic/reliable_quic_stream.h"
 
@@ skipping 53 matching lines @@
 QuicSession::StreamMap& QuicSessionPeer::static_streams(QuicSession* session) {
   return session->static_streams();
 }
 
 // static
 QuicSession::StreamMap& QuicSessionPeer::dynamic_streams(QuicSession* session) {
   return session->dynamic_streams();
 }
 
 // static
-base::hash_set<QuicStreamId>* QuicSessionPeer::GetDrainingStreams(
+std::unordered_set<QuicStreamId>* QuicSessionPeer::GetDrainingStreams(
     QuicSession* session) {
   return &session->draining_streams_;
 }
 
 // static
 bool QuicSessionPeer::IsStreamClosed(QuicSession* session, QuicStreamId id) {
   DCHECK_NE(0u, id);
   return session->IsClosedStream(id);
 }
 
@@ skipping 16 matching lines @@
     // locally-created stream.
     return id >= session->next_outgoing_stream_id_;
   } else {
     // peer-created stream.
     return id > session->largest_peer_created_stream_id_;
   }
 }
 
 }  // namespace test
 }  // namespace net