Perfrorm binding integrity check using scriptwrappable.

Source/bindings/scripts/CodeGeneratorV8.pm

Index: Source/bindings/scripts/CodeGeneratorV8.pm
diff --git a/Source/bindings/scripts/CodeGeneratorV8.pm b/Source/bindings/scripts/CodeGeneratorV8.pm
index 6dd476178a94a259375aba4d6bbd5d5f78ebfa03..91b7b2cdbb36834de7eabd3ff4604c6a5ae128e1 100644
--- a/Source/bindings/scripts/CodeGeneratorV8.pm
+++ b/Source/bindings/scripts/CodeGeneratorV8.pm
@@ -923,6 +923,12 @@ inline v8::Handle<v8::Object> wrap(${nativeType}* impl, v8::Handle<v8::Object> c
 {
     ASSERT(impl);
     ASSERT(DOMDataStore::getWrapper(impl, isolate).IsEmpty());
+    if (ScriptWrappable::wrapperCanBeStoredInObject(impl)) {
+        const WrapperTypeInfo* actualInfo = ScriptWrappable::getTypeInfoFromObject(impl);
+        // Might be a XXXConstructor::info instead of an XXX::info. These will both have
+        // the same object de-ref functions, though, so use that as the basis of the check.
+        RELEASE_ASSERT(actualInfo->derefObjectFunction == ${v8InterfaceName}::info.derefObjectFunction);
+    }
     return ${returningCreatedWrapperOpening}$createWrapperCall(impl, creationContext, isolate)${returningCreatedWrapperClosing};
 }
 END