Adds ability to disable connection pooling in QUIC.

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 330f5f53ea803fe0966cd55e42db753e5601b53f..c5aa835a4b8869e3bd6303dd652471114aa75968 100644
--- a/net/quic/quic_stream_factory.h
+++ b/net/quic/quic_stream_factory.h
@@ -104,6 +104,7 @@ class NET_EXPORT_PRIVATE QuicStreamFactory
       bool enable_port_selection,
       bool enable_time_based_loss_detection,
       bool always_require_handshake_confirmation,
+      bool disable_connection_pooling,
       const QuicTagVector& connection_options);
   virtual ~QuicStreamFactory();
 
@@ -281,6 +282,9 @@ class NET_EXPORT_PRIVATE QuicStreamFactory
   // introduce at least one RTT for the handshake before the client sends data.
   bool always_require_handshake_confirmation_;
 
+  // Set if we do not want connection pooling.
+  bool disable_connection_pooling_;
+
   // Each profile will (probably) have a unique port_seed_ value.  This value is
   // used to help seed a pseudo-random number generator (PortSuggester) so that
   // we consistently (within this profile) suggest the same ephemeral port when