Wrap DomStringList, but don't wrap DomString[] as return types

tools/dom/scripts/systemnative.py

 #!/usr/bin/python
 # Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 # for details. All rights reserved. Use of this source code is governed by a
 # BSD-style license that can be found in the LICENSE file.
 
 """This module provides shared functionality for the systems to generate
 native binding from the IDL database."""
 
 import emitter
 import os
@@ skipping 1735 matching lines @@
   '''
             if wrap_unwrap_list and wrap_unwrap_list[0]:
                 emit_jso_template = '''
   $METADATA$DART_DECLARATION => %s($DART_NAME($ACTUALS));
   '''
                 if return_type == 'Rectangle':
                     jso_util_method = 'make_dart_rectangle'
                 elif wrap_unwrap_list[0]:
                     jso_util_method = 'wrap_jso'
 
-                # Always return List<String> unwrapped.
-                if return_type != 'List<String>':
-                  emit_template = emit_jso_template % jso_util_method
+                emit_template = emit_jso_template % jso_util_method
 
             if caller_emitter:
               caller_emitter.Emit(emit_template,
                                   METADATA=metadata,
                                   DART_DECLARATION=dart_declaration,
                                   DART_NAME=full_dart_name,
                                   ACTUALS=actuals)
     cpp_callback_name = '%s%s' % (idl_name, native_suffix)
 
     self._cpp_resolver_emitter.Emit(
@@ skipping 265 matching lines @@
 
 def _IsCustom(op_or_attr):
   assert(isinstance(op_or_attr, IDLMember))
   return 'Custom' in op_or_attr.ext_attrs or 'DartCustom' in op_or_attr.ext_attrs
 
 def _IsCustomValue(op_or_attr, value):
   if _IsCustom(op_or_attr):
     return op_or_attr.ext_attrs.get('Custom') == value \
            or op_or_attr.ext_attrs.get('DartCustom') == value
   return False