Allow substitution of messages as variables in other messages.

grit/node/misc_unittest.py

 #!/usr/bin/env python
 # Copyright (c) 2012 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 '''Unit tests for misc.GritNode'''
 
 
 import os
 import sys
@@ skipping 160 matching lines @@
           <messages>
             <message name="IDS_BINGO">
               Bingo
             </message>
           </messages>
           <structures>
             <structure type="menu" name="IDC_KLONKMENU" encoding="utf-16" file="klonk.rc" />
           </structures>
         </release>
       </grit>'''), util.PathFromRoot('grit/testdata'))
+    grd.SetOutputContext('en', {})
     grd.RunGatherers(recursive=True)
 
     hello = grd.GetNodeById('IDS_HELLO')
     aboutbox = grd.GetNodeById('IDD_ABOUTBOX')
     bingo = grd.GetNodeById('IDS_BINGO')
     menu = grd.GetNodeById('IDC_KLONKMENU')
 
     for node in [hello, aboutbox]:
       self.failUnless(not node.PseudoIsAllowed())
 
@@ skipping 11 matching lines @@
     for node in [bingo, menu]:
       try:
         formatter = node.ItemFormatter('rc_all')
         formatter.Format(node, 'xyz-pseudo')
       except:
         self.fail('Should not have gotten exception since pseudo is allowed')
 
 
 if __name__ == '__main__':
   unittest.main()