Skip missing translations when generating JSON resources.

grit/format/chrome_messages_json_unittest.py

Index: grit/format/chrome_messages_json_unittest.py
diff --git a/grit/format/chrome_messages_json_unittest.py b/grit/format/chrome_messages_json_unittest.py
index 373751eadc868c4ca5a7cf5fa7bb2eb826e35cea..4386247885e8949c24ca8f8c555be2349c9a24b1 100644
--- a/grit/format/chrome_messages_json_unittest.py
+++ b/grit/format/chrome_messages_json_unittest.py
@@ -107,6 +107,29 @@ class ChromeMessagesJsonFormatUnittest(unittest.TestCase):
 """
     self.assertEqual(test.strip(), output.strip())
 
+  def testSkipMissingTranslations(self):
+    grd = """<?xml version="1.0" encoding="UTF-8"?>
+<grit latest_public_release="2" current_release="3" source_lang_id="en" base_dir="%s">
+  <outputs>
+  </outputs>
+  <release seq="3" allow_pseudo="False">
+    <messages>
+      <message name="ID_HELLO_NO_TRANSLATION">Hello not translated</message>
+    </messages>
+  </release>
+</grit>"""
+    root = grd_reader.Parse(StringIO.StringIO(grd), dir=".")
+
+    buf = StringIO.StringIO()
+    build.RcBuilder.ProcessNode(root, DummyOutput('chrome_messages_json', 'fr'), buf)
+    output = buf.getvalue()
+    test = u"""
+{
+
+}
+"""
+    self.assertEqual(test.strip(), output.strip())
+
 
 class DummyOutput(object):