Remove duplicate of SystemInterface

client/dom/scripts/systeminterface.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 providesfunctionality for systems to generate
 Dart interfaces from the IDL database."""
 
+import os
+import systembase
 from generator import *
-from systembase import *
 
-class InterfacesSystem(System):
+class InterfacesSystem(systembase.System):
 
   def __init__(self, templates, database, emitters, output_dir):
     super(InterfacesSystem, self).__init__(
         templates, database, emitters, output_dir)
     self._dart_interface_file_paths = []
 
 
   def InterfaceGenerator(self,
                          interface,
                          common_prefix,
@@ skipping 170 matching lines @@
 
   # Interfaces get secondary members directly via the superinterfaces.
   def AddSecondaryAttribute(self, interface, getter, setter):
     pass
 
   def AddSecondaryOperation(self, interface, attr):
     pass
 
   def AddEventAttributes(self, event_attrs):
     pass