[PATCH 2 of 2] crecord: use ui.interface to choose curses interface

[Simon Farnsworth]

# HG changeset patch
# User Simon Farnsworth <simonfar at fb.com>
# Date 1457639167 0
#      Thu Mar 10 19:46:07 2016 +0000
# Node ID ea0ec33267d78c83288160a57056637e53fd2644
# Parent  77d0ac209cc8555d887b35313fad25e947aab7fa
crecord: use ui.interface to choose curses interface

use ui.interface to select curses mode, instead of experimental.crecord

diff --git a/mercurial/crecord.py b/mercurial/crecord.py
--- a/mercurial/crecord.py
+++ b/mercurial/crecord.py
@@ -54,7 +54,7 @@
     This method returns True if curses is found (and that python is built with
     it) and that the user has the correct flag for the ui.
     """
-    return curses and ui.configbool('experimental', 'crecord', False)
+    return curses and ui.interface("chunkselection") == "curses"
 
 _origstdout = sys.__stdout__ # used by gethw()