use non-masking, string interceptors in generated bindings

Source/bindings/tests/results/core/V8TestInterface2.cpp

Index: Source/bindings/tests/results/core/V8TestInterface2.cpp
diff --git a/Source/bindings/tests/results/core/V8TestInterface2.cpp b/Source/bindings/tests/results/core/V8TestInterface2.cpp
index 51dd332ad86dd9c50537a91962b9a0d00b4738b0..1e6ae21acd9e8fdac72b9774680f1265c0a2f88f 100644
--- a/Source/bindings/tests/results/core/V8TestInterface2.cpp
+++ b/Source/bindings/tests/results/core/V8TestInterface2.cpp
@@ -472,16 +472,7 @@ static void indexedPropertyDeleterCallback(uint32_t index, const v8::PropertyCal
 
 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;
-
     TestInterface2* impl = V8TestInterface2::toImpl(info.Holder());
     AtomicString propertyName = toCoreAtomicString(nameString);
     v8::String::Utf8Value namedProperty(nameString);
@@ -503,16 +494,7 @@ static void namedPropertyGetterCallback(v8::Local<v8::Name> name, const v8::Prop
 
 static void namedPropertySetter(v8::Local<v8::Name> name, v8::Local<v8::Value> v8Value, 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;
-
     v8::String::Utf8Value namedProperty(nameString);
     ExceptionState exceptionState(ExceptionState::SetterContext, *namedProperty, "TestInterface2", info.Holder(), info.GetIsolate());
     TestInterface2* impl = V8TestInterface2::toImpl(info.Holder());
@@ -542,8 +524,6 @@ static void namedPropertySetterCallback(v8::Local<v8::Name> name, v8::Local<v8::
 
 static void namedPropertyQuery(v8::Local<v8::Name> name, const v8::PropertyCallbackInfo<v8::Integer>& info)
 {
-    if (!name->IsString())
-        return;
     TestInterface2* impl = V8TestInterface2::toImpl(info.Holder());
     AtomicString propertyName = toCoreAtomicString(name.As<v8::String>());
     v8::String::Utf8Value namedProperty(name);
@@ -565,8 +545,6 @@ static void namedPropertyQueryCallback(v8::Local<v8::Name> name, const v8::Prope
 
 static void namedPropertyDeleter(v8::Local<v8::Name> name, const v8::PropertyCallbackInfo<v8::Boolean>& info)
 {
-    if (!name->IsString())
-        return;
     TestInterface2* impl = V8TestInterface2::toImpl(info.Holder());
     AtomicString propertyName = toCoreAtomicString(name.As<v8::String>());
     v8::String::Utf8Value namedProperty(name);
@@ -678,6 +656,8 @@ static void installV8TestInterface2Template(v8::Local<v8::FunctionTemplate> func
     }
     {
         v8::NamedPropertyHandlerConfiguration config(TestInterface2V8Internal::namedPropertyGetterCallback, TestInterface2V8Internal::namedPropertySetterCallback, TestInterface2V8Internal::namedPropertyQueryCallback, TestInterface2V8Internal::namedPropertyDeleterCallback, TestInterface2V8Internal::namedPropertyEnumeratorCallback);
+        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);
     }
     static const V8DOMConfiguration::SymbolKeyedMethodConfiguration symbolKeyedIteratorConfiguration = { v8::Symbol::GetIterator, TestInterface2V8Internal::iteratorMethodCallback, 0, V8DOMConfiguration::ExposedToAllScripts };