Strip unused functionality from dart:html and fix strong mode errors. Switch from blacklisting pure…

tools/dom/scripts/database.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.
 
 """Module to manage IDL files."""
 
 import copy
 import pickle
 import logging
@@ skipping 315 matching lines @@
           if not(parent_interface in walk_result):
             # Interface has multi-inherited don't add interfaces more than once
             # to our parent result list.
             walk_result.append(parent_interface)
           walk(parent_interface.parents, walk_result)
       return walk_result
 
     result = []
     if interface.parents:
       parent = interface.parents[0]
-      if (IsPureInterface(parent.type.id) or
+      if (IsPureInterface(parent.type.id, self) or
           (propagate_event_target and parent.type.id == 'EventTarget')):
         result = walk(interface.parents, [])
       else:
         result = walk(interface.parents[1:], [])
 
     return result