Add the ability for DevTools to wrap network transactions.

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 b7936c34cc47218559532b37b436d344b97a2e45..8dc6f9eade282a6b6e6035a5dca984257bb4d1d1 100644
--- a/net/quic/quic_stream_factory.h
+++ b/net/quic/quic_stream_factory.h
@@ -158,6 +158,8 @@ class NET_EXPORT_PRIVATE QuicStreamFactory
 
   bool enable_port_selection() const { return enable_port_selection_; }
 
+  bool has_quic_server_info_factory() { return quic_server_info_factory_; }
+
   void set_quic_server_info_factory(
       QuicServerInfoFactory* quic_server_info_factory) {
     DCHECK(!quic_server_info_factory_);