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

Source/bindings/tests/results/core/V8ArrayBufferView.cpp

Index: Source/bindings/tests/results/core/V8ArrayBufferView.cpp
diff --git a/Source/bindings/tests/results/core/V8ArrayBufferView.cpp b/Source/bindings/tests/results/core/V8ArrayBufferView.cpp
index 97bd11bf70a9dddea7f22e2a1dfbdb331ff974db..6d30aa16136fc4fc1bd0191e45d5d27e137bc046 100644
--- a/Source/bindings/tests/results/core/V8ArrayBufferView.cpp
+++ b/Source/bindings/tests/results/core/V8ArrayBufferView.cpp
@@ -31,7 +31,7 @@
 
 namespace blink {
 
-const WrapperTypeInfo V8ArrayBufferView::wrapperTypeInfo = { gin::kEmbedderBlink, 0, V8ArrayBufferView::refObject, V8ArrayBufferView::derefObject, V8ArrayBufferView::trace, 0, 0, V8ArrayBufferView::installConditionallyEnabledMethods, V8ArrayBufferView::installConditionallyEnabledProperties, "ArrayBufferView", 0, WrapperTypeInfo::WrapperTypeObjectPrototype, WrapperTypeInfo::ObjectClassId, WrapperTypeInfo::NotInheritFromEventTarget, WrapperTypeInfo::Independent, WrapperTypeInfo::RefCountedObject };
+const WrapperTypeInfo V8ArrayBufferView::wrapperTypeInfo = { gin::kEmbedderBlink, 0, V8ArrayBufferView::refObject, V8ArrayBufferView::derefObject, V8ArrayBufferView::trace, 0, 0, V8ArrayBufferView::preparePrototypeObject, V8ArrayBufferView::installConditionallyEnabledProperties, "ArrayBufferView", 0, WrapperTypeInfo::WrapperTypeObjectPrototype, WrapperTypeInfo::ObjectClassId, WrapperTypeInfo::NotInheritFromEventTarget, WrapperTypeInfo::Independent, WrapperTypeInfo::RefCountedObject };
 
 // This static member must be declared by DEFINE_WRAPPERTYPEINFO in TestArrayBufferView.h.
 // For details, see the comment of DEFINE_WRAPPERTYPEINFO in