Replace quic_restart_flag_quic_big_endian_connection_id with quic_restart_flag_quic_big_endian_conn…

net/quic/core/quic_utils.h

Index: net/quic/core/quic_utils.h
diff --git a/net/quic/core/quic_utils.h b/net/quic/core/quic_utils.h
index 723874f14cff824d6d9ad1abda77954919a9f397..7395722528f15ac8ac38cdaa53da5831afcfd8d0 100644
--- a/net/quic/core/quic_utils.h
+++ b/net/quic/core/quic_utils.h
@@ -59,6 +59,12 @@ class QUIC_EXPORT_PRIVATE QuicUtils {
       const QuicSocketAddress& old_address,
       const QuicSocketAddress& new_address);
 
+  // Returns whether connection id needs to be read/write in big endian.
+  // TODO(fayang): Remove this method once deprecating
+  // FLAGS_quic_restart_flag_quic_big_endian_connection_id_client and
+  // FLAGS_quic_restart_flag_quic_big_endian_connection_id_server.
+  static bool IsConnectionIdWireFormatBigEndian(Perspective perspective);
+
  private:
   DISALLOW_COPY_AND_ASSIGN(QuicUtils);
 };