Fixing Element.matches to be cross-platform and follow latest spec.

sdk/lib/html/scripts/generator.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 systems to generate
 Dart APIs from the IDL database."""
 
 import copy
 import re
@@ skipping 676 matching lines @@
     'SerializedScriptValue':
       "@annotation_Creates_SerializedScriptValue "
       "@annotation_Returns_SerializedScriptValue",
 
     'SQLResultSetRowList.item': "@Creates('=Object')",
 
     'XMLHttpRequest.response':
       "@Creates('ArrayBuffer|Blob|Document|=Object|=List|String|num')",
 }
 
+# Placeholder to add experimental flag, implementation for this is
+# pending in a separate CL.
+dart_annotations = {
+  'Element.webkitMatchesSelector': ['@Experimental()'],
+}
+
 def FindAnnotations(idl_type, interface_name, member_name):
   ann1 = dart2js_annotations.get("%s.%s" % (interface_name, member_name))
   if ann1:
     ann2 = dart2js_annotations.get('+' + idl_type)
     if ann2:
       return ann2 + ' ' + ann1
     ann2 = dart2js_annotations.get(idl_type)
     if ann2:
       return ann2 + ' ' + ann1
     return ann1
@@ skipping 535 matching lines @@
                                   self)
 
     if type_data.clazz == 'SVGTearOff':
       dart_interface_name = self._renamer.RenameInterface(
           self._database.GetInterface(type_name))
       return SVGTearOffIDLTypeInfo(
           type_name, type_data, dart_interface_name, self)
 
     class_name = '%sIDLTypeInfo' % type_data.clazz
     return globals()[class_name](type_name, type_data)