bindings: Adds check for attributes on prototype chains in CSSStyleDeclaration.

Source/bindings/tests/results/core/V8TestInterface3.cpp

Index: Source/bindings/tests/results/core/V8TestInterface3.cpp
diff --git a/Source/bindings/tests/results/core/V8TestInterface3.cpp b/Source/bindings/tests/results/core/V8TestInterface3.cpp
index 30e76534073d91d7a2f892bbb3dc5ba068dfa3fd..8811d06c3479ac78db52afd181288c6e337a7146 100644
--- a/Source/bindings/tests/results/core/V8TestInterface3.cpp
+++ b/Source/bindings/tests/results/core/V8TestInterface3.cpp
@@ -286,6 +286,8 @@ static void installV8TestInterface3Template(v8::Local<v8::FunctionTemplate> func
     }
     {
         v8::NamedPropertyHandlerConfiguration config(TestInterface3V8Internal::namedPropertyGetterCallback, TestInterface3V8Internal::namedPropertySetterCallback, TestInterface3V8Internal::namedPropertyQueryCallback, TestInterface3V8Internal::namedPropertyDeleterCallback, TestInterface3V8Internal::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);
     }
     if (RuntimeEnabledFeatures::featureNameEnabled()) {