Change HtmlCollection to appear as List<Node> and getElementsByX return ListNode|HtmlCollection (de…

tools/dom/scripts/generator.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 systems to generate
 Dart APIs from the IDL database."""
 
 import copy
 import json
@@ skipping 1134 matching lines @@
     'PluginArray': TypeData(clazz='Interface', item_type='Plugin'),
     'DOMStringList': TypeData(clazz='Interface', item_type='DOMString',
         dart_type='List<String>', custom_to_native=True),
     'FileList': TypeData(clazz='Interface', item_type='File',
         dart_type='List<File>'),
     'Future': TypeData(clazz='Interface', dart_type='Future'),
     'GamepadList': TypeData(clazz='Interface', item_type='Gamepad',
         suppress_interface=True),
     'GLenum': TypeData(clazz='Primitive', dart_type='int',
         native_type='unsigned'),
-    'HTMLCollection': TypeData(clazz='Interface', item_type='Node'),
+    'HTMLCollection': TypeData(clazz='Interface', item_type='Node',
+        dart_type='List<Node>'),
     'NamedNodeMap': TypeData(clazz='Interface', item_type='Node'),
     'NodeList': TypeData(clazz='Interface', item_type='Node',
                          suppress_interface=False, dart_type='List<Node>'),
     'SVGElementInstanceList': TypeData(clazz='Interface',
         item_type='SVGElementInstance', suppress_interface=True),
     'SourceBufferList': TypeData(clazz='Interface', item_type='SourceBuffer'),
     'SpeechGrammarList': TypeData(clazz='Interface', item_type='SpeechGrammar'),
     'SpeechInputResultList': TypeData(clazz='Interface',
         item_type='SpeechInputResult', suppress_interface=True),
     'SpeechRecognitionResultList': TypeData(clazz='Interface',
@@ skipping 106 matching lines @@
     if type_data.clazz == 'BasicTypedList':
       if type_name == 'ArrayBuffer':
         dart_interface_name = 'ByteBuffer'
       else:
         dart_interface_name = self._renamer.RenameInterfaceId(type_name)
       return BasicTypedListIDLTypeInfo(
           type_name, type_data, dart_interface_name, self)
 
     class_name = '%sIDLTypeInfo' % type_data.clazz
     return globals()[class_name](type_name, type_data)