Second part of moving V8 Binding Integrity off of vtables.

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 dbb1c56a26978f9f8378e0c343b7f91931113a41..a5cb691ed0b1ca12ecc08be56ce7b673f854dba0 100644
--- a/Source/bindings/scripts/CodeGeneratorV8.pm
+++ b/Source/bindings/scripts/CodeGeneratorV8.pm
@@ -2850,14 +2850,19 @@ inline void checkTypeOrDieTrying(${nativeType}* object)
 
 END
 
-
     my $parentClassInfo = $parentClass ? "&${parentClass}::info" : "0";
-
     my $WrapperTypePrototype = $interface->isException ? "WrapperTypeErrorPrototype" : "WrapperTypeObjectPrototype";
-
     push(@implContentInternals, "WrapperTypeInfo ${v8InterfaceName}::info = { ${v8InterfaceName}::GetTemplate, ${v8InterfaceName}::derefObject, $toActiveDOMObject, $toEventTarget, $rootForGC, ${v8InterfaceName}::installPerContextPrototypeProperties, $parentClassInfo, $WrapperTypePrototype };\n\n");
-    push(@implContentInternals, "namespace ${interfaceName}V8Internal {\n\n");
 
+    push(@implContentInternals, <<END) if !$codeGenerator->IsSVGTypeNeedingTearOff($interfaceName);
+void initializeScriptWrappableForInterface(${interfaceName}* object)
+{
+    if (ScriptWrappable::wrapperCanBeStoredInObject(object))
+        ScriptWrappable::setTypeInfoInObject(object, &${v8InterfaceName}::info);
+}
+END
+
+    push(@implContentInternals, "namespace ${interfaceName}V8Internal {\n\n");
     push(@implContentInternals, "template <typename T> void V8_USE(T) { }\n\n");
 
     my $hasConstructors = 0;