Perfrorm binding integrity check using scriptwrappable.

Source/bindings/tests/results/V8TestEventTarget.h

Index: Source/bindings/tests/results/V8TestEventTarget.h
diff --git a/Source/bindings/tests/results/V8TestEventTarget.h b/Source/bindings/tests/results/V8TestEventTarget.h
index 87556247700b0f6cdb29c38a0def8d625028e1d8..ee4b681f7a4641ec922d6c7fa6da5e17a9757075 100644
--- a/Source/bindings/tests/results/V8TestEventTarget.h
+++ b/Source/bindings/tests/results/V8TestEventTarget.h
@@ -66,6 +66,11 @@ inline v8::Handle<v8::Object> wrap(TestEventTarget* impl, v8::Handle<v8::Object>
 {
     ASSERT(impl);
     ASSERT(DOMDataStore::getWrapper(impl, isolate).IsEmpty());
+    if (ScriptWrappable::wrapperCanBeStoredInObject(impl)) {
+        const WrapperTypeInfo* actualInfo = ScriptWrappable::getTypeInfoFromObject(impl);
+        if (actualInfo != &V8TestEventTarget::info)
+            CRASH();
+    }
     return V8TestEventTarget::createWrapper(impl, creationContext, isolate);
 }