bindings: Supports [LenientThis] extended attributes.

Source/bindings/tests/results/core/V8TestTypedefs.cpp

Index: Source/bindings/tests/results/core/V8TestTypedefs.cpp
diff --git a/Source/bindings/tests/results/core/V8TestTypedefs.cpp b/Source/bindings/tests/results/core/V8TestTypedefs.cpp
index fe078197dd0962baa3e46bf16c9f16d067d8b362..272d2c01e1087231921f65b530737c48abae11e0 100644
--- a/Source/bindings/tests/results/core/V8TestTypedefs.cpp
+++ b/Source/bindings/tests/results/core/V8TestTypedefs.cpp
@@ -311,7 +311,7 @@ static const V8DOMConfiguration::AttributeConfiguration V8TestTypedefsAttributes
 };
 
 static const V8DOMConfiguration::AccessorConfiguration V8TestTypedefsAccessors[] = {
-    {"uLongLongAttribute", TestTypedefsV8Internal::uLongLongAttributeAttributeGetterCallback, TestTypedefsV8Internal::uLongLongAttributeAttributeSetterCallback, 0, 0, 0, static_cast<v8::AccessControl>(v8::DEFAULT), static_cast<v8::PropertyAttribute>(v8::None), V8DOMConfiguration::ExposedToAllScripts},
+    {"uLongLongAttribute", TestTypedefsV8Internal::uLongLongAttributeAttributeGetterCallback, TestTypedefsV8Internal::uLongLongAttributeAttributeSetterCallback, 0, 0, 0, static_cast<v8::AccessControl>(v8::DEFAULT), static_cast<v8::PropertyAttribute>(v8::None), V8DOMConfiguration::ExposedToAllScripts, V8DOMConfiguration::CheckHolder},
 };
 
 static const V8DOMConfiguration::MethodConfiguration V8TestTypedefsMethods[] = {