bindings: Retires manual dispatching in createV8{HTML,SVG}Wrapper, etc.

Source/bindings/core/v8/v8.gypi

 # Copyright 2014 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 {
     'includes': [
         'custom/custom.gypi',
         '../../modules/v8/generated.gypi',
     ],
     'variables': {
         'bindings_core_v8_dir': '.',
         'bindings_core_v8_files': [
             '<@(bindings_core_v8_custom_files)',
             'ActiveDOMCallback.cpp',
             'ActiveDOMCallback.h',
             'ArrayValue.cpp',
             'ArrayValue.h',
             'BindingSecurity.cpp',
             'BindingSecurity.h',
             'CallbackPromiseAdapter.h',
             'CustomElementBinding.cpp',
             'CustomElementBinding.h',
             'CustomElementConstructorBuilder.cpp',
             'CustomElementConstructorBuilder.h',
-            'CustomElementWrapper.cpp',
-            'CustomElementWrapper.h',
             'DOMDataStore.cpp',
             'DOMDataStore.h',
             'DOMWrapperMap.h',
             'DOMWrapperWorld.cpp',
             'DOMWrapperWorld.h',
             'Dictionary.cpp',
             'Dictionary.h',
             'DictionaryHelperForBindings.h',
             'DictionaryHelperForCore.cpp',
             'ExceptionMessages.cpp',
@@ skipping 128 matching lines @@
         ],
         'bindings_core_v8_unittest_files': [
             'ScriptPromiseResolverTest.cpp',
             'ScriptPromiseTest.cpp',
             'ScriptPromisePropertyTest.cpp',
             'SerializedScriptValueTest.cpp',
             'V8BindingTest.cpp',
         ],
     },
 }