Introduce HTMLDataListOptionsCollection subclass for HTMLCollection

Source/bindings/scripts/v8_types.py

 # Copyright (C) 2013 Google Inc. All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions are
 # met:
 #
 #     * Redistributions of source code must retain the above copyright
 # notice, this list of conditions and the following disclaimer.
 #     * Redistributions in binary form must reproduce the above
 # copyright notice, this list of conditions and the following disclaimer
@@ skipping 323 matching lines @@
     'Dictionary': set(['bindings/core/v8/Dictionary.h']),
     'EventHandler': set(['bindings/core/v8/V8AbstractEventListener.h',
                          'bindings/core/v8/V8EventListenerList.h']),
     'EventListener': set(['bindings/core/v8/BindingSecurity.h',
                           'bindings/core/v8/V8EventListenerList.h',
                           'core/frame/LocalDOMWindow.h']),
     'HTMLCollection': set(['bindings/core/v8/V8HTMLCollection.h',
                            'core/dom/ClassCollection.h',
                            'core/dom/TagCollection.h',
                            'core/html/HTMLCollection.h',
+                           'core/html/HTMLDataListOptionsCollection.h',
                            'core/html/HTMLFormControlsCollection.h',
                            'core/html/HTMLTableRowsCollection.h']),
     'MediaQueryListListener': set(['core/css/MediaQueryListListener.h']),
     'NodeList': set(['bindings/core/v8/V8NodeList.h',
                      'core/dom/NameNodeList.h',
                      'core/dom/NodeList.h',
                      'core/dom/StaticNodeList.h',
                      'core/html/LabelsNodeList.h']),
     'Promise': set(['bindings/core/v8/ScriptPromise.h']),
     'SerializedScriptValue': set(['bindings/core/v8/SerializedScriptValue.h']),
@@ skipping 458 matching lines @@
 
 
 def is_explicit_nullable(idl_type):
     # Nullable type that isn't implicit nullable (see above.) For such types,
     # we use Nullable<T> or similar explicit ways to represent a null value.
     return idl_type.is_nullable and not idl_type.is_implicit_nullable
 
 IdlTypeBase.is_implicit_nullable = property(is_implicit_nullable)
 IdlUnionType.is_implicit_nullable = False
 IdlTypeBase.is_explicit_nullable = property(is_explicit_nullable)