Enable html_dartium to be built as part of dartium build

lib/dom/scripts/dartgenerator.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 generates Dart APIs from the IDL database."""
 
 import emitter
 import idlnode
 import logging
@@ skipping 283 matching lines @@
           self._database, self._emitters, self._output_dir, self)
 
       html_system._interface_system = html_interface_system
       self._systems.append(html_system)
 
     if 'htmldartium' in systems:
       html_system = HtmlDartiumSystem(
           TemplateLoader(self._template_dir,
                          ['html/dartium', 'html/impl', 'html', ''],
                          {'DARTIUM': True, 'FROG': False}),
-          self._database, self._emitters, self._output_dir, self)
+          self._database, self._emitters, self._auxiliary_dir,
+          self._output_dir, self)
 
       html_system._interface_system = html_interface_system
       self._systems.append(html_system)
 
     # Collect interfaces
     interfaces = []
     for interface in database.GetInterfaces():
       if not MatchSourceFilter(source_filter, interface):
         # Skip this interface since it's not present in the required source
         _logger.info('Omitting interface - %s' % interface.id)
@@ skipping 317 matching lines @@
     pass
 
   def AddTypedArrayConstructors(self, element_type):
     pass
 
   def AddOperation(self, info):
     pass
 
   def AddEventAttributes(self, event_attrs):
     pass