use non-masking, string interceptors in generated bindings

Source/bindings/tests/results/core/V8TestSpecialOperationsNotEnumerable.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 "V8TestSpecialOperationsNotEnumerable.h"
 
 #include "bindings/core/v8/ExceptionState.h"
@@ skipping 29 matching lines @@
 
 static void indexedPropertyGetterCallback(uint32_t index, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMIndexedProperty");
     TestSpecialOperationsNotEnumerableV8Internal::indexedPropertyGetter(index, info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void namedPropertyGetter(v8::Local<v8::Name> name, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
-    if (!name->IsString())
-        return;
     auto nameString = name.As<v8::String>();
-    v8::Local<v8::Context> context = info.GetIsolate()->GetCurrentContext();
-    if (v8CallBoolean(info.Holder()->HasRealNamedProperty(context, nameString)))
-        return;
-    v8::Local<v8::Value> namedPropertyValue;
-    if (info.Holder()->GetRealNamedPropertyInPrototypeChain(context, nameString).ToLocal(&namedPropertyValue))
-        return;
-
     TestSpecialOperationsNotEnumerable* impl = V8TestSpecialOperationsNotEnumerable::toImpl(info.Holder());
     AtomicString propertyName = toCoreAtomicString(nameString);
     String result = impl->anonymousNamedGetter(propertyName);
     if (result.isNull())
         return;
     v8SetReturnValueString(info, result, info.GetIsolate());
 }
 
 static void namedPropertyGetterCallback(v8::Local<v8::Name> name, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
@@ skipping 16 matching lines @@
     v8::Local<v8::ObjectTemplate> instanceTemplate = functionTemplate->InstanceTemplate();
     ALLOW_UNUSED_LOCAL(instanceTemplate);
     v8::Local<v8::ObjectTemplate> prototypeTemplate = functionTemplate->PrototypeTemplate();
     ALLOW_UNUSED_LOCAL(prototypeTemplate);
     {
         v8::IndexedPropertyHandlerConfiguration config(TestSpecialOperationsNotEnumerableV8Internal::indexedPropertyGetterCallback, 0, 0, 0, 0);
         functionTemplate->InstanceTemplate()->SetHandler(config);
     }
     {
         v8::NamedPropertyHandlerConfiguration config(TestSpecialOperationsNotEnumerableV8Internal::namedPropertyGetterCallback, 0, 0, 0, 0);
+        config.flags = static_cast<v8::PropertyHandlerFlags>(static_cast<int>(config.flags) | static_cast<int>(v8::PropertyHandlerFlags::kOnlyInterceptStrings));
+        config.flags = static_cast<v8::PropertyHandlerFlags>(static_cast<int>(config.flags) | static_cast<int>(v8::PropertyHandlerFlags::kNonMasking));
         functionTemplate->InstanceTemplate()->SetHandler(config);
     }
 
     // Custom toString template
     functionTemplate->Set(v8AtomicString(isolate, "toString"), V8PerIsolateData::from(isolate)->toStringTemplate());
 }
 
 v8::Local<v8::FunctionTemplate> V8TestSpecialOperationsNotEnumerable::domTemplate(v8::Isolate* isolate)
 {
     return V8DOMConfiguration::domClassTemplate(isolate, const_cast<WrapperTypeInfo*>(&wrapperTypeInfo), installV8TestSpecialOperationsNotEnumerableTemplate);
@@ skipping 18 matching lines @@
 {
     scriptWrappable->toImpl<TestSpecialOperationsNotEnumerable>()->ref();
 }
 
 void V8TestSpecialOperationsNotEnumerable::derefObject(ScriptWrappable* scriptWrappable)
 {
     scriptWrappable->toImpl<TestSpecialOperationsNotEnumerable>()->deref();
 }
 
 } // namespace blink