Revert r12808.

lib/html/scripts/systemdart2js.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 the systems to generate
 dart2js binding from the IDL database."""
 
 import os
 from generator import *
@@ skipping 116 matching lines @@
     constructor_info = AnalyzeConstructor(interface)
     if constructor_info:
       self._EmitFactoryProvider(interface_name, constructor_info)
 
 
   def FinishInterface(self):
     """."""
     pass
 
   def _ImplClassName(self, type_name):
-    name = type_name
-    if type_name in nativified_classes:
-      name = nativified_classes[type_name]
     return '_' + type_name + 'Js'
 
   def _EmitFactoryProvider(self, interface_name, constructor_info):
     template_file = 'factoryprovider_%s.darttemplate' % interface_name
     template = self._system._templates.TryLoad(template_file)
     if not template:
       template = self._system._templates.Load('factoryprovider.darttemplate')
 
     factory_provider = '_' + interface_name + 'FactoryProvider'
     emitter = self._system._ImplFileEmitter(factory_provider)
@@ skipping 230 matching lines @@
     if info.declared_name != info.name:
       native_string = " '%s'" % info.declared_name
 
     self._members_emitter.Emit(
         '\n'
         '  $TYPE $NAME($PARAMS) native$NATIVESTRING;\n',
         TYPE=self._NarrowOutputType(info.type_name),
         NAME=info.name,
         PARAMS=params,
         NATIVESTRING=native_string)