Add parameter to OnCanCreateNewStream indicating directionality

Added a parameter to OnCanCreateNewStream to indicate whether the
available streams are unidirectional or not.

gfe-relnote: N/A is for IETF QUIC (v99 flag protected) only.
PiperOrigin-RevId: 258824808
Change-Id: Ib5f36b81afa35f26fd0ce77e499b51b4a12627b5
diff --git a/quic/tools/quic_simple_server_session.h b/quic/tools/quic_simple_server_session.h
index 0ca0e6f..d8cd6b5 100644
--- a/quic/tools/quic_simple_server_session.h
+++ b/quic/tools/quic_simple_server_session.h
@@ -78,7 +78,7 @@
       QuicStreamId original_stream_id,
       const spdy::SpdyHeaderBlock& original_request_headers);
 
-  void OnCanCreateNewOutgoingStream() override;
+  void OnCanCreateNewOutgoingStream(bool unidirectional) override;
 
  protected:
   // QuicSession methods: