IDL: Add support for [Unscopeable] on attributes and methods

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 5dc2886d0011b721aa2f496131d7aac100da77dc..ca22edccb04188b3a67a7c0dc76ecf6ab8cef3ba 100644
--- a/Source/bindings/tests/results/core/V8TestTypedefs.cpp
+++ b/Source/bindings/tests/results/core/V8TestTypedefs.cpp
@@ -24,7 +24,7 @@
 
 namespace blink {
 
-const WrapperTypeInfo V8TestTypedefs::wrapperTypeInfo = { gin::kEmbedderBlink, V8TestTypedefs::domTemplate, V8TestTypedefs::refObject, V8TestTypedefs::derefObject, V8TestTypedefs::trace, 0, 0, V8TestTypedefs::installConditionallyEnabledMethods, V8TestTypedefs::installConditionallyEnabledProperties, "TestTypedefs", 0, WrapperTypeInfo::WrapperTypeObjectPrototype, WrapperTypeInfo::ObjectClassId, WrapperTypeInfo::NotInheritFromEventTarget, WrapperTypeInfo::Independent, WrapperTypeInfo::RefCountedObject };
+const WrapperTypeInfo V8TestTypedefs::wrapperTypeInfo = { gin::kEmbedderBlink, V8TestTypedefs::domTemplate, V8TestTypedefs::refObject, V8TestTypedefs::derefObject, V8TestTypedefs::trace, 0, 0, V8TestTypedefs::preparePrototypeObject, V8TestTypedefs::installConditionallyEnabledProperties, "TestTypedefs", 0, WrapperTypeInfo::WrapperTypeObjectPrototype, WrapperTypeInfo::ObjectClassId, WrapperTypeInfo::NotInheritFromEventTarget, WrapperTypeInfo::Independent, WrapperTypeInfo::RefCountedObject };
 
 // This static member must be declared by DEFINE_WRAPPERTYPEINFO in TestTypedefs.h.
 // For details, see the comment of DEFINE_WRAPPERTYPEINFO in