Revert "Revert "Allow multiple tags in native clause.""

tools/dom/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 json
@@ skipping 59 matching lines @@
 # factory provider.
 #
 interface_factories = monitored.Dict('generator.interface_factories', {
 })
 
 #
 # Custom native specs for the dart2js dom.
 #
 _dart2js_dom_custom_native_specs = monitored.Dict(
       'generator._dart2js_dom_custom_native_specs', {
-    # Decorate the singleton Console object, if present (workers do not have a
-    # console).
-    'Console': "=(typeof console == 'undefined' ? {} : console)",
 
-    # DOMWindow aliased with global scope.
-    'Window': '@*DOMWindow',
+    # Nodes with different tags in different browsers can be listed as multiple
+    # tags here provided there is not conflict in usage (e.g. browser X has tag
+    # T and no other browser has tag T).
+
+    'DOMApplicationCache':
+        'ApplicationCache,DOMApplicationCache,OfflineResourceList',
+
+    'MutationObserver': 'MutationObserver,WebKitMutationObserver',
+
+    'TransitionEvent': 'TransitionEvent,WebKitTransitionEvent',
+
+    'WheelEvent': 'WheelEvent,MouseWheelEvent,MouseScrollEvent',
+
 }, dart2jsOnly=True)
 
 def IsRegisteredType(type_name):
   return type_name in _idl_type_registry
 
 def MakeNativeSpec(javascript_binding_name):
   if javascript_binding_name in _dart2js_dom_custom_native_specs:
     return _dart2js_dom_custom_native_specs[javascript_binding_name]
   else:
     # Make the class 'hidden' so it is dynamically patched at runtime.  This
     # is useful for browser compat.
-    return '*' + javascript_binding_name
+    return javascript_binding_name
 
 
 def MatchSourceFilter(thing):
   return 'WebKit' in thing.annotations or 'Dart' in thing.annotations
 
 
 class ParamInfo(object):
   """Holder for various information about a parameter of a Dart operation.
 
   Attributes:
@@ skipping 1469 matching lines @@
           type_name, type_data, dart_interface_name, self)
 
     if type_data.clazz == 'BasicTypedList':
       dart_interface_name = self._renamer.RenameInterface(
           self._database.GetInterface(type_name))
       return BasicTypedListIDLTypeInfo(
           type_name, type_data, dart_interface_name, self)
 
     class_name = '%sIDLTypeInfo' % type_data.clazz
     return globals()[class_name](type_name, type_data)