Remove dependency on headers stream from QuicSession.

net/quic/quic_client_session_base.h

 // Copyright 2014 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_QUIC_CLIENT_SESSION_BASE_H_
 #define NET_QUIC_QUIC_CLIENT_SESSION_BASE_H_
 
 #include "net/quic/quic_crypto_client_stream.h"
-#include "net/quic/quic_session.h"
+#include "net/quic/quic_spdy_session.h"
 
 namespace net {
 
 // Base class for all client-specific QuicSession subclasses.
-class NET_EXPORT_PRIVATE QuicClientSessionBase : public QuicSession {
+class NET_EXPORT_PRIVATE QuicClientSessionBase : public QuicSpdySession {
  public:
   QuicClientSessionBase(QuicConnection* connection,
                         const QuicConfig& config);
 
   ~QuicClientSessionBase() override;
 
   // Called when the proof in |cached| is marked valid.  If this is a secure
   // QUIC session, then this will happen only after the proof verifier
   // completes.  If this is an insecure QUIC connection, this will happen
   // as soon as a valid config is discovered (either from the cache or
@@ skipping 10 matching lines @@
   // Override base class to set FEC policy before any data is sent by client.
   void OnCryptoHandshakeEvent(CryptoHandshakeEvent event) override;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(QuicClientSessionBase);
 };
 
 }  // namespace net
 
 #endif  // NET_QUIC_QUIC_CLIENT_SESSION_BASE_H_