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 ba38bb6987608368159bb8aa9ef736af889ee1b9..dd3f9c18217e158049013f4cf3bcb6722d629e1e 100644
--- a/Source/bindings/scripts/CodeGeneratorV8.pm
+++ b/Source/bindings/scripts/CodeGeneratorV8.pm
@@ -581,6 +581,11 @@ inline v8::Handle<v8::Object> wrap(${nativeType}* impl, v8::Handle<v8::Object> c
 {
     ASSERT(impl);
     ASSERT(DOMDataStore::getWrapper(impl, isolate).IsEmpty());
+    if (ScriptWrappable::wrapperCanBeStoredInObject(impl)) {
+        const WrapperTypeInfo* actualInfo = ScriptWrappable::getTypeInfoFromObject(impl);
+        if (actualInfo != &${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