IDL: Add support for [Unscopeable] on attributes and methods

Source/bindings/tests/results/core/V8TestException.cpp

 // 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.
 
 // This file has been auto-generated by code_generator_v8.py. DO NOT MODIFY!
 
 #include "config.h"
 #include "V8TestException.h"
 
 #include "bindings/core/v8/ExceptionState.h"
 #include "bindings/core/v8/V8DOMConfiguration.h"
 #include "bindings/core/v8/V8ObjectConstructor.h"
 #include "core/dom/ContextFeatures.h"
 #include "core/dom/Document.h"
 #include "platform/RuntimeEnabledFeatures.h"
 #include "platform/TraceEvent.h"
 #include "wtf/GetPtr.h"
 #include "wtf/RefPtr.h"
 
 namespace blink {
 
-const WrapperTypeInfo V8TestException::wrapperTypeInfo = { gin::kEmbedderBlink, V8TestException::domTemplate, V8TestException::refObject, V8TestException::derefObject, V8TestException::trace, 0, 0, V8TestException::installConditionallyEnabledMethods, V8TestException::installConditionallyEnabledProperties, "TestException", 0, WrapperTypeInfo::WrapperTypeExceptionPrototype, WrapperTypeInfo::ObjectClassId, WrapperTypeInfo::NotInheritFromEventTarget, WrapperTypeInfo::Independent, WrapperTypeInfo::RefCountedObject };
+const WrapperTypeInfo V8TestException::wrapperTypeInfo = { gin::kEmbedderBlink, V8TestException::domTemplate, V8TestException::refObject, V8TestException::derefObject, V8TestException::trace, 0, 0, V8TestException::preparePrototypeObject, V8TestException::installConditionallyEnabledProperties, "TestException", 0, WrapperTypeInfo::WrapperTypeExceptionPrototype, WrapperTypeInfo::ObjectClassId, WrapperTypeInfo::NotInheritFromEventTarget, WrapperTypeInfo::Independent, WrapperTypeInfo::RefCountedObject };
 
 // This static member must be declared by DEFINE_WRAPPERTYPEINFO in TestException.h.
 // For details, see the comment of DEFINE_WRAPPERTYPEINFO in
 // bindings/core/v8/ScriptWrappable.h.
 const WrapperTypeInfo& TestException::s_wrapperTypeInfo = V8TestException::wrapperTypeInfo;
 
 namespace TestExceptionV8Internal {
 
 static void readonlyUnsignedShortAttributeAttributeGetter(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
@@ skipping 93 matching lines @@
 {
     scriptWrappable->toImpl<TestException>()->ref();
 }
 
 void V8TestException::derefObject(ScriptWrappable* scriptWrappable)
 {
     scriptWrappable->toImpl<TestException>()->deref();
 }
 
 } // namespace blink