Skip missing translations when generating JSON resources.

grit/format/chrome_messages_json.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.
 
 """Formats as a .json file that can be used to localize Google Chrome
 extensions."""
 
 from json import JSONEncoder
 import re
@@ skipping 10 matching lines @@
   format = ('  "%s": {\n'
             '    "message": %s\n'
             '  }')
   first = True
   for child in root.ActiveDescendants():
     if isinstance(child, message.MessageNode):
       id = child.attrs['name']
       if id.startswith('IDR_') or id.startswith('IDS_'):
         id = id[4:]
 
-      loc_message = encoder.encode(child.ws_at_start + child.Translate(lang) +
-                                   child.ws_at_end)
+      cliques = child.GetCliques()
+      assert cliques
+      translation = cliques[0].MessageForLanguage(
+          lang, pseudo_if_no_match=child.PseudoIsAllowed(),
+          fallback_to_english=False, none_if_no_match=True)
+
+      # Skip the string if it's not translated.
+      if translation == None:

[Jamie, 2015/10/27 19:25:13]

Prefer "translation is not None"
(https://google-styleguide.googlecode.com/svn/trunk/pyguide.html?showone=True/...)

[Sergey Ulanov, 2016/02/06 01:03:17]

Done.

+        continue;
+
+      loc_message = encoder.encode(
+          child.ws_at_start + translation.GetRealContent() + child.ws_at_end)
 
       if not first:
         yield ',\n'
       first = False
       yield format % (id, loc_message)
 
   yield '\n}\n'