Remove the --use-spdy-over-quic command line option. Always use SPDY over QUIC.

net/quic/quic_stream_factory.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_QUIC_STREAM_FACTORY_H_
 #define NET_QUIC_QUIC_STREAM_FACTORY_H_
 
 #include <map>
 #include <string>
 
@@ skipping 47 matching lines @@
   DISALLOW_COPY_AND_ASSIGN(QuicStreamRequest);
 };
 
 // A factory for creating new QuicHttpStreams on top of a pool of
 // QuicClientSessions.
 class NET_EXPORT_PRIVATE QuicStreamFactory {
  public:
   QuicStreamFactory(HostResolver* host_resolver,
                     ClientSocketFactory* client_socket_factory,
                     QuicRandom* random_generator,
-                    QuicClock* clock,
-                    bool use_spdy_over_quic);
+                    QuicClock* clock);
   virtual ~QuicStreamFactory();
 
   // Creates a new QuicHttpStream to |host_port_proxy_pair| which will be
   // owned by |request|. If a matching session already exists, this
   // method will return OK.  If no matching session exists, this will
   // return ERR_IO_PENDING and will invoke OnRequestComplete asynchronously.
   int Create(const HostPortProxyPair& host_port_proxy_pair,
              const BoundNetLog& net_log,
              QuicStreamRequest* request);
 
@@ skipping 47 matching lines @@
   SessionSet all_sessions_;
   // Contains non-owning pointers to currently active session
   // (not going away session, once they're implemented).
   SessionMap active_sessions_;
   SessionAliasMap session_aliases_;
 
   JobMap active_jobs_;
   JobRequestsMap job_requests_map_;
   RequestMap active_requests_;
 
-  // True of request should be encoded using SPDY header blocks.
-  bool use_spdy_over_quic_;
-
   base::WeakPtrFactory<QuicStreamFactory> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(QuicStreamFactory);
 };
 
 }  // namespace net
 
 #endif  // NET_QUIC_QUIC_STREAM_FACTORY_H_