Move the logic for delaying 0-RTT QUIC POST from the QuicStreamFactory

net/quic/bidirectional_stream_quic_impl.h

Index: net/quic/bidirectional_stream_quic_impl.h
diff --git a/net/quic/bidirectional_stream_quic_impl.h b/net/quic/bidirectional_stream_quic_impl.h
index 7a3e6658a0eb4a15fe3e620d22bcc6a81ffd21f0..82456b8cb8b01d4245aeb2c0395cb27fa0816876 100644
--- a/net/quic/bidirectional_stream_quic_impl.h
+++ b/net/quic/bidirectional_stream_quic_impl.h
@@ -70,6 +70,7 @@ class NET_EXPORT_PRIVATE BidirectionalStreamQuicImpl
   void OnSessionClosed(int error, bool port_migration_detected) override;
 
   void OnStreamReady(int rv);
+  void StartStream();
   void OnSendDataComplete(int rv);
   void OnReadDataComplete(int rv);
 
@@ -117,6 +118,10 @@ class NET_EXPORT_PRIVATE BidirectionalStreamQuicImpl
   // frame with data frame in the same packet if possible.
   bool send_request_headers_automatically_;
 
+  // True of this stream is waiting for the QUIC handshake to be confirmed
+  // before sending headers.
+  bool waiting_for_confirmation_;
+
   base::WeakPtrFactory<BidirectionalStreamQuicImpl> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(BidirectionalStreamQuicImpl);