Perfrorm binding integrity check using scriptwrappable.

Source/bindings/scripts/CodeGeneratorV8.pm

 # Copyright (C) 2005, 2006 Nikolas Zimmermann <zimmermann@kde.org>
 # Copyright (C) 2006 Anders Carlsson <andersca@mac.com>
 # Copyright (C) 2006 Samuel Weinig <sam.weinig@gmail.com>
 # Copyright (C) 2006 Alexey Proskuryakov <ap@webkit.org>
 # Copyright (C) 2006 Apple Computer, Inc.
 # Copyright (C) 2007, 2008, 2009, 2012 Google Inc.
 # Copyright (C) 2009 Cameron McCormack <cam@mcc.id.au>
 # Copyright (C) Research In Motion Limited 2010. All rights reserved.
 # Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies)
 # Copyright (C) 2012 Ericsson AB. All rights reserved.
@@ skipping 905 matching lines @@
 
 v8::Handle<v8::Object> wrap(${nativeType}* impl, v8::Handle<v8::Object> creationContext, v8::Isolate*);
 END
         } else {
             $header{nameSpaceWebCore}->add(<<END);
 
 inline v8::Handle<v8::Object> wrap(${nativeType}* impl, v8::Handle<v8::Object> creationContext, v8::Isolate* isolate)
 {
     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
         }
 
         $header{nameSpaceWebCore}->add(<<END);
 
 inline v8::Handle<v8::Value> toV8(${nativeType}* impl, v8::Handle<v8::Object> creationContext, v8::Isolate* isolate)
 {
     if (UNLIKELY(!impl))
@@ skipping 4749 matching lines @@
         if ($currentInterface->extendedAttributes->{$extendedAttribute}) {
             $found = 1;
         }
         return 1 if $found;
     }, 0);
 
     return $found;
 }
 
 1;