Revert some more cases.

lib/html/scripts/systemhtml.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 system to generate
 Dart:html APIs from the IDL database."""
 
 import emitter
 
@@ skipping 966 matching lines @@
     self._members_emitter.Emit(
         '\n  void set $HTML_NAME($TYPE value)'
         ' native "this.$NAME = value;";\n',
         HTML_NAME=html_name,
         NAME=attr.id,
         TYPE=self._NarrowInputType(attr.type.id))
 
   def _AddConvertingGetter(self, attr, html_name, conversion):
     self._members_emitter.Emit(
         '\n  $RETURN_TYPE get $HTML_NAME => $CONVERT(this._$(HTML_NAME));'
-        '\n  $NATIVE_TYPE get _$HTML_NAME native "return this.$NAME;";'
+        '\n  $NATIVE_TYPE get _$HTML_NAME() native "return this.$NAME;";'
         '\n',
         CONVERT=conversion.function_name,
         HTML_NAME=html_name,
         NAME=attr.id,
         RETURN_TYPE=conversion.output_type,
         NATIVE_TYPE=conversion.input_type)
 
   def _AddConvertingSetter(self, attr, html_name, conversion):
     self._members_emitter.Emit(
         '\n  void set $HTML_NAME($INPUT_TYPE value) {'
@@ skipping 235 matching lines @@
     return HtmlDart2JSClassGenerator(self, interface)
 
   def GenerateLibraries(self, dart_files):
     self._GenerateLibFile(
         'html_dart2js.darttemplate',
         os.path.join(self._output_dir, 'html_dart2js.dart'),
         dart_files)
 
   def Finish(self):
     pass