Remove dependency on headers stream from QuicSession.

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 <map>
 
 #include "net/quic/quic_protocol.h"
 #include "net/quic/quic_write_blocked_list.h"
 
 namespace net {
 
 class QuicCryptoStream;
 class QuicDataStream;
 class QuicHeadersStream;
 class QuicSession;
+class ReliableQuicStream;
 
 namespace test {
 
 class QuicSessionPeer {
  public:
   static void SetNextStreamId(QuicSession* session, QuicStreamId id);
   static void SetMaxOpenStreams(QuicSession* session, uint32 max_streams);
   static QuicCryptoStream* GetCryptoStream(QuicSession* session);
-  static QuicHeadersStream* GetHeadersStream(QuicSession* session);
-  static void SetHeadersStream(QuicSession* session,
-                               QuicHeadersStream* headers_stream);
   static QuicWriteBlockedList* GetWriteBlockedStreams(QuicSession* session);
-  static QuicDataStream* GetIncomingDataStream(QuicSession* session,
-                                               QuicStreamId stream_id);
+  static ReliableQuicStream* GetIncomingDynamicStream(QuicSession* session,
+                                                      QuicStreamId stream_id);
   static std::map<QuicStreamId, QuicStreamOffset>&
   GetLocallyClosedStreamsHighestOffset(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 IsStreamImplicitlyCreated(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_