Convert enable_bidirectional_stream into build flag local to net.

net/http/http_stream_factory_impl_request.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_HTTP_HTTP_STREAM_FACTORY_IMPL_REQUEST_H_
 #define NET_HTTP_HTTP_STREAM_FACTORY_IMPL_REQUEST_H_
 
 #include <set>
 
 #include "base/macros.h"
 #include "base/memory/scoped_ptr.h"
 #include "net/http/http_stream_factory_impl.h"
 #include "net/log/net_log.h"
+#include "net/net_features.h"
 #include "net/socket/connection_attempts.h"
 #include "net/socket/ssl_client_socket.h"
 #include "net/spdy/spdy_session_key.h"
 #include "net/ssl/ssl_failure_state.h"
 #include "url/gurl.h"
 
 namespace net {
 
 class BidirectionalStreamJob;
 class ClientSocketHandle;
@@ skipping 42 matching lines @@
   // If this Request has a |spdy_session_key_|, remove this session from the
   // SpdySessionRequestMap.
   void RemoveRequestFromSpdySessionRequestMap();
 
   // Called by an attached Job if it sets up a SpdySession.
   // |stream| is null when |for_bidirectional| is true.
   // |bidirectional_stream_spdy_job| is null when |for_bidirectional| is false.
   void OnNewSpdySessionReady(
       Job* job,
       scoped_ptr<HttpStream> stream,
-#if defined(ENABLE_BIDIRECTIONAL_STREAM)
+#if BUILDFLAG(ENABLE_BIDIRECTIONAL_STREAM)
       scoped_ptr<BidirectionalStreamJob> bidirectional_stream_spdy_job,
 #else
       void* unused,
 #endif
       const base::WeakPtr<SpdySession>& spdy_session,
       bool direct);
 
   // Called by an attached Job to record connection attempts made by the socket
   // layer for this stream request.
   void AddConnectionAttempts(const ConnectionAttempts& attempts);
@@ skipping 85 matching lines @@
   bool using_spdy_;
   ConnectionAttempts connection_attempts_;
 
   const bool for_bidirectional_;
   DISALLOW_COPY_AND_ASSIGN(Request);
 };
 
 }  // namespace net
 
 #endif  // NET_HTTP_HTTP_STREAM_FACTORY_IMPL_REQUEST_H_