Fixes use-after-free bug in QUIC.

net/quic/test_tools/quic_session_peer.h

 // 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.
 
 #ifndef NET_QUIC_TEST_TOOLS_QUIC_SESSION_PEER_H_
 #define NET_QUIC_TEST_TOOLS_QUIC_SESSION_PEER_H_
 
 #include <stdint.h>
 
 #include <map>
@@ skipping 21 matching lines @@
                                         uint32_t max_streams);
   static void SetMaxOpenOutgoingStreams(QuicSession* session,
                                         uint32_t max_streams);
   static QuicCryptoStream* GetCryptoStream(QuicSession* session);
   static QuicWriteBlockedList* GetWriteBlockedStreams(QuicSession* session);
   static ReliableQuicStream* GetOrCreateDynamicStream(QuicSession* session,
                                                       QuicStreamId stream_id);
   static std::map<QuicStreamId, QuicStreamOffset>&
   GetLocallyClosedStreamsHighestOffset(QuicSession* session);
   static QuicSession::StreamMap& static_streams(QuicSession* session);
-  static QuicSession::StreamMap& dynamic_streams(QuicSession* session);
   static std::unordered_set<QuicStreamId>* GetDrainingStreams(
       QuicSession* session);
 
   // Discern the state of a stream.  Exactly one of these should be true at a
   // time for any stream id > 0 (other than the special streams 1 and 3).
   static bool IsStreamClosed(QuicSession* session, QuicStreamId id);
   static bool IsStreamCreated(QuicSession* session, QuicStreamId id);
   static bool IsStreamAvailable(QuicSession* session, QuicStreamId id);
   static bool IsStreamUncreated(QuicSession* session, QuicStreamId id);
 
  private:
   DISALLOW_COPY_AND_ASSIGN(QuicSessionPeer);
 };
 
 }  // namespace test
 
 }  // namespace net
 
 #endif  // NET_QUIC_TEST_TOOLS_QUIC_SESSION_PEER_H_