Let QUIC be able to add random padding of [1,256] bytes after fin is consumed for a stream. Random …

net/quic/core/quic_types.h

Index: net/quic/core/quic_types.h
diff --git a/net/quic/core/quic_types.h b/net/quic/core/quic_types.h
index 758081a66bba28666f1fb86414ecbab8a81df84c..ed978cf41446de176b4e736d07d9d703b10b8944 100644
--- a/net/quic/core/quic_types.h
+++ b/net/quic/core/quic_types.h
@@ -261,6 +261,16 @@ enum PeerAddressChangeType {
   IPV6_TO_IPV6_CHANGE,
 };
 
+enum StreamSendingState {
+  // Sender has more data to send on this stream.
+  NO_FIN,
+  // Sender is done sending on this stream.
+  FIN,
+  // Sender is done sending on this stream and random padding needs to be
+  // appended after all stream frames.
+  FIN_AND_PADDING,
+};
+
 }  // namespace net
 
 #endif  // NET_QUIC_CORE_QUIC_TYPES_H_