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 563 matching lines @@
 
 v8::Handle<v8::Object> wrap(${nativeType}* impl, v8::Handle<v8::Object> creationContext, v8::Isolate*);
 END
         } else {
             AddToHeader(<<END);
 
 inline v8::Handle<v8::Object> wrap(${nativeType}* impl, v8::Handle<v8::Object> creationContext, v8::Isolate* isolate)
 {
     ASSERT(impl);
     ASSERT(DOMDataStore::getWrapper(impl, isolate).IsEmpty());
+    if (ScriptWrappable::wrapperCanBeStoredInObject(impl)) {
+        const WrapperTypeInfo* actualInfo = ScriptWrappable::getTypeInfoFromObject(impl);
+        if (actualInfo != &${v8InterfaceName}::info)
+            CRASH();

[abarth-chromium, 2013/04/23 21:09:48]

Should we be using RELEASE_ASSERT?  cevans seemed exciting about replacing
manual calls to CRASH with RELEASE_ASSERT in WTF.

+    }
     return ${returningCreatedWrapperOpening}$createWrapperCall(impl, creationContext, isolate)${returningCreatedWrapperClosing};
 }
 END
         }
 
         AddToHeader(<<END);
 
 inline v8::Handle<v8::Value> toV8(${nativeType}* impl, v8::Handle<v8::Object> creationContext, v8::Isolate* isolate)
 {
     if (UNLIKELY(!impl))
@@ skipping 4263 matching lines @@
 
 sub GetPassRefPtrType
 {
     my $v8InterfaceName = shift;
 
     my $angleBracketSpace = $v8InterfaceName =~ />$/ ? " " : "";
     return "PassRefPtr<${v8InterfaceName}${angleBracketSpace}>";
 }
 
 1;