use non-masking, string interceptors in generated bindings

Source/bindings/tests/results/core/V8TestSpecialOperations.cpp

Index: Source/bindings/tests/results/core/V8TestSpecialOperations.cpp
diff --git a/Source/bindings/tests/results/core/V8TestSpecialOperations.cpp b/Source/bindings/tests/results/core/V8TestSpecialOperations.cpp
index 6217dd8d96ea4b4cc2a4b2c158a5d0c40d3c0c4e..e741ce83caacbd42b504f0c33a19c22e2d8b2cda 100644
--- a/Source/bindings/tests/results/core/V8TestSpecialOperations.cpp
+++ b/Source/bindings/tests/results/core/V8TestSpecialOperations.cpp
@@ -63,8 +63,6 @@ static void namedItemMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& i
 
 static void namedPropertyGetter(v8::Local<v8::Name> name, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
-    if (!name->IsString())
-        return;
     auto nameString = name.As<v8::String>();
     TestSpecialOperations* impl = V8TestSpecialOperations::toImpl(info.Holder());
     AtomicString propertyName = toCoreAtomicString(nameString);
@@ -84,8 +82,6 @@ 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>();
     TestSpecialOperations* impl = V8TestSpecialOperations::toImpl(info.Holder());
     V8StringResource<> propertyName(nameString);
@@ -112,8 +108,6 @@ 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;
     TestSpecialOperations* impl = V8TestSpecialOperations::toImpl(info.Holder());
     AtomicString propertyName = toCoreAtomicString(name.As<v8::String>());
     v8::String::Utf8Value namedProperty(name);
@@ -175,6 +169,7 @@ static void installV8TestSpecialOperationsTemplate(v8::Local<v8::FunctionTemplat
     ALLOW_UNUSED_LOCAL(prototypeTemplate);
     {
         v8::NamedPropertyHandlerConfiguration config(TestSpecialOperationsV8Internal::namedPropertyGetterCallback, TestSpecialOperationsV8Internal::namedPropertySetterCallback, TestSpecialOperationsV8Internal::namedPropertyQueryCallback, 0, TestSpecialOperationsV8Internal::namedPropertyEnumeratorCallback);
+        config.flags = static_cast<v8::PropertyHandlerFlags>(static_cast<int>(config.flags) | static_cast<int>(v8::PropertyHandlerFlags::kOnlyInterceptStrings));
         functionTemplate->InstanceTemplate()->SetHandler(config);
     }