Remove _NodeListWrapper, make NodeList less special.

sdk/lib/html/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 374 matching lines @@
     else:
       self._members_emitter.Emit(
           '\n'
           '  $TYPE operator[](int index) native "$(INTERFACE)_item_Callback";\n',
           TYPE=self.SecureOutputType(element_type),
           INTERFACE=self._interface.id)
 
     if self._HasNativeIndexSetter():
       self._EmitNativeIndexSetter(dart_element_type)
     else:
-      # The HTML library implementation of NodeList has a custom indexed setter
-      # implementation that uses the parent node the NodeList is associated
-      # with if one is available.
-      if self._interface.id != 'NodeList':
-        self._members_emitter.Emit(
-            '\n'
-            '  void operator[]=(int index, $TYPE value) {\n'
-            '    throw new UnsupportedError("Cannot assign element of immutable List.");\n'
-            '  }\n',
-            TYPE=dart_element_type)
-
-    # The list interface for this class is manually generated.
-    if self._interface.id == 'NodeList':
-      return
+      self._members_emitter.Emit(
+          '\n'
+          '  void operator[]=(int index, $TYPE value) {\n'
+          '    throw new UnsupportedError("Cannot assign element of immutable List.");\n'
+          '  }\n',
+          TYPE=dart_element_type)
 
     # TODO(sra): Use separate mixins for mutable implementations of List<T>.
     # TODO(sra): Use separate mixins for typed array implementations of List<T>.
     template_file = 'immutable_list_mixin.darttemplate'
     has_contains = any(op.id == 'contains' for op in self._interface.operations)
     template = self._template_loader.Load(
         template_file,
         {'DEFINE_CONTAINS': not has_contains})
     self._members_emitter.Emit(template, E=dart_element_type)
 
@@ skipping 470 matching lines @@
   def EmitResolver(self, template, output_dir):
     file_path = os.path.join(output_dir, 'DartResolver.cpp')
     includes_emitter, body_emitter = self._emitters.FileEmitter(file_path).Emit(template)
     for header_file in self._headers_list:
       path = os.path.relpath(header_file, output_dir)
       includes_emitter.Emit('#include "$PATH"\n', PATH=path)
       body_emitter.Emit(
           '    if (Dart_NativeFunction func = $CLASS_NAME::resolver(name, argumentCount))\n'
           '        return func;\n',
           CLASS_NAME=os.path.splitext(os.path.basename(path))[0])