Get rid of DOMWrapperBase and DOMTypeBase.

lib/dom/scripts/systemnative.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
 native binding from the IDL database."""
 
 import emitter
 import os
@@ skipping 395 matching lines @@
         '  }\n',
         EVENTS_CLASS=events_class)
 
   def _ImplClassName(self, interface_name):
     return '_%sImpl' % interface_name
 
   def _DartType(self, idl_type):
     return self._html_system.DartType(idl_type)
 
   def _BaseClassName(self):
+    root_class = 'NativeFieldWrapperClass1'
+
     if not self._interface.parents:
-      return '_DOMWrapperBase'
+      return root_class
 
     supertype = self._interface.parents[0].type.id
 
     if IsPureInterface(supertype):    # The class is a root.
-      return '_DOMWrapperBase'
+      return root_class
 
     # FIXME: We're currently injecting List<..> and EventTarget as
     # supertypes in dart.idl. We should annotate/preserve as
     # attributes instead.  For now, this hack lets the self._interfaces
     # inherit, but not the classes.
     # List methods are injected in AddIndexer.
     if IsDartListType(supertype) or IsDartCollectionType(supertype):
-      return '_DOMWrapperBase'
+      return root_class
 
     if supertype == 'EventTarget':
       # Most implementors of EventTarget specify the EventListener operations
       # again.  If the operations are not specified, try to inherit from the
       # EventTarget implementation.
       #
       # Applies to MessagePort.
       if not [op for op in self._interface.operations if op.id == 'addEventListener']:
         return self._ImplClassName(supertype)
-      return '_DOMWrapperBase'
+      return root_class
 
     return self._ImplClassName(supertype)
 
   def _HTMLInterfaceName(self, interface_name):
     return self._html_renames.get(interface_name, interface_name)
 
   def _IsConstructable(self):
     # FIXME: support ConstructorTemplate.
     return set(['CustomConstructor', 'V8CustomConstructor', 'Constructor', 'NamedConstructor']) & set(self._interface.ext_attrs)
 
@@ skipping 638 matching lines @@
 
 def _IsArgumentOptionalInWebCore(argument):
   return IsOptional(argument) and not 'Callback' in argument.ext_attrs
 
 def _ToWebKitName(name):
   name = name[0].lower() + name[1:]
   name = re.sub(r'^(hTML|uRL|jS|xML|xSLT)', lambda s: s.group(1).lower(),
                 name)
   return re.sub(r'^(create|exclusive)', lambda s: 'is' + s.group(1).capitalize(),
                 name)