Mark frog DOMWindow as aliased with global scope.

client/dom/scripts/dartgenerator.py

 #!/usr/bin/python
 # Copyright (c) 2011, 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 generates Dart APIs from the IDL database."""
 
 import emitter
 import idlnode
 import logging
@@ skipping 1910 matching lines @@
       extends = " extends " + base
     else:
       extends = ""
 
     if interface_name in _constructable_types.keys():
       parameters = _constructable_types[interface_name]
       constructor = '  %s(%s) native;\n\n' % (interface_name, parameters)
     else:
       constructor = ''
 
+    # Compiler needs to know window is aliased with global scope.
+    global_marker = '@' if interface_name == 'DOMWindow' else ''
+
     (self._members_emitter, self._base_emitter) = self._dart_code.Emit(
         '\n'
-        'class $CLASS$BASE native "*$CLASS" {\n'
+        'class $CLASS$BASE native "$SPLAT*$CLASS" {\n'
         '$CONSTRUCTOR$!MEMBERS'
         '$!ADDITIONS'
         '}\n',
         CLASS=self._class_name, BASE=extends,
-        INTERFACE=interface_name, CONSTRUCTOR=constructor)
+        INTERFACE=interface_name, CONSTRUCTOR=constructor,
+        SPLAT=global_marker)
 
     if not base:
       # Emit shared base functionality here as we have no common base type.
       self._base_emitter.Emit(
           '\n'
           '  var dartObjectLocalStorage;\n'
           '\n'
           '  String get typeName() native;\n')
 
   def _ImplClassName(self, type_name):
@@ skipping 72 matching lines @@
     Arguments:
       info: An OperationInfo object.
     """
     # TODO(vsm): Handle overloads.
     self._members_emitter.Emit(
         '\n'
         '  $TYPE $NAME($ARGS) native;\n',
         TYPE=info.type_name,
         NAME=info.name,
         ARGS=info.arg_implementation_declaration)