Implement QUIC-based net::BidirectionalStream

net/quic/quic_stream_factory.h

Index: net/quic/quic_stream_factory.h
diff --git a/net/quic/quic_stream_factory.h b/net/quic/quic_stream_factory.h
index b05dc1f0f2ceae52bbf0d6611412353a98ee7824..e1b4d1dc8cfb9a09ab12453afac7264333d921f9 100644
--- a/net/quic/quic_stream_factory.h
+++ b/net/quic/quic_stream_factory.h
@@ -25,6 +25,7 @@
 #include "net/cert/cert_database.h"
 #include "net/http/http_server_properties.h"
 #include "net/log/net_log.h"
+#include "net/net_features.h"
 #include "net/proxy/proxy_server.h"
 #include "net/quic/network_connection.h"
 #include "net/quic/quic_chromium_client_session.h"
@@ -55,6 +56,7 @@ class QuicServerInfoFactory;
 class QuicStreamFactory;
 class SocketPerformanceWatcherFactory;
 class TransportSecurityState;
+class BidirectionalStreamJob;
 
 namespace test {
 class QuicStreamFactoryPeer;
@@ -79,7 +81,8 @@ class NET_EXPORT_PRIVATE QuicStreamRequest {
               base::StringPiece origin_host,
               base::StringPiece method,
               const BoundNetLog& net_log,
-              const CompletionCallback& callback);
+              const CompletionCallback& callback,
+              bool for_bidirectional);
 
   void OnRequestComplete(int rv);
 
@@ -89,7 +92,12 @@ class NET_EXPORT_PRIVATE QuicStreamRequest {
 
   scoped_ptr<QuicHttpStream> ReleaseStream();
 
-  void set_stream(scoped_ptr<QuicHttpStream> stream);
+#if BUILDFLAG(ENABLE_BIDIRECTIONAL_STREAM)
+  scoped_ptr<BidirectionalStreamJob> ReleaseBidirectionalStreamJob();
+#endif
+
+  // Initializes |stream_| or |bidirectional_stream_job_| from |session|.
+  void InitializeStreamFromSession(QuicChromiumClientSession* session);
 
   const std::string& origin_host() const { return origin_host_; }
 
@@ -106,6 +114,11 @@ class NET_EXPORT_PRIVATE QuicStreamRequest {
   CompletionCallback callback_;
   scoped_ptr<QuicHttpStream> stream_;
 
+  bool for_bidirectional_;
+#if BUILDFLAG(ENABLE_BIDIRECTIONAL_STREAM)
+  scoped_ptr<BidirectionalStreamJob> bidirectional_stream_job_;
+#endif
+
   DISALLOW_COPY_AND_ASSIGN(QuicStreamRequest);
 };