Fix xmb_unittest.py in GRIT.

tools/grit/grit/tool/xmb.py

Index: tools/grit/grit/tool/xmb.py
diff --git a/tools/grit/grit/tool/xmb.py b/tools/grit/grit/tool/xmb.py
index 0e7950ccde1e237eec79b5e115ff9d7e95ce26f1..c25dbf143d1a3c2bfbc5d2c8054578336800940a 100755
--- a/tools/grit/grit/tool/xmb.py
+++ b/tools/grit/grit/tool/xmb.py
@@ -28,11 +28,6 @@ _XML_QUOTE_ESCAPES = {
     u"'":  u''',
     u'"':  u'"',
 }
-# See http://www.w3.org/TR/xml/#charsets
-_XML_BAD_CHAR_REGEX = lazy_re.compile(u'[^\u0009\u000A\u000D'
-                                      u'\u0020-\uD7FF\uE000-\uFFFD'
-                                      u'\U00010000-\U0010FFFF]')
-
 
 def _XmlEscape(s):
   """Returns text escaped for XML in a way compatible with Google's
@@ -41,12 +36,7 @@ def _XmlEscape(s):
   """
   if not type(s) == unicode:
     s = unicode(s)
-  result = saxutils.escape(s, _XML_QUOTE_ESCAPES)
-  illegal_chars = _XML_BAD_CHAR_REGEX.search(result)
-  if illegal_chars:
-    raise Exception('String contains characters disallowed in XML: %s' %
-                    repr(result))
-  return result.encode('utf-8')
+  return saxutils.escape(s, _XML_QUOTE_ESCAPES).encode('utf-8')
 
 
 def _WriteAttribute(file, name, value):