Second part of moving V8 Binding Integrity off of vtables.

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 2832 matching lines @@
 #else
     void* expectedVTablePointer = ${vtableRefGnu};
 #endif
     if (actualVTablePointer != expectedVTablePointer)
         CRASH();
 }
 #endif // ENABLE(BINDING_INTEGRITY)
 
 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");
 
-    my $parentClassInfo = $parentClass ? "&${parentClass}::info" : "0";
+    push(@implContentInternals, <<END) if !$codeGenerator->IsSVGTypeNeedingTearOff($interfaceName);
+void initializeScriptWrappableForInterface(${interfaceName}* object)
+{
+    if (ScriptWrappable::wrapperCanBeStoredInObject(object))
+        ScriptWrappable::setTypeInfoInObject(object, &${v8InterfaceName}::info);
+}
+END
 
-    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, "template <typename T> void V8_USE(T) { }\n\n");
 
     my $hasConstructors = 0;
     my $hasReplaceable = 0;
 
     # Generate property accessors for attributes.
     for (my $index = 0; $index < @{$interface->attributes}; $index++) {
         my $attribute = @{$interface->attributes}[$index];
         my $attrType = $attribute->signature->type;
         my $attrExt = $attribute->signature->extendedAttributes;
@@ skipping 1717 matching lines @@
 
 sub GetPassRefPtrType
 {
     my $v8InterfaceName = shift;
 
     my $angleBracketSpace = $v8InterfaceName =~ />$/ ? " " : "";
     return "PassRefPtr<${v8InterfaceName}${angleBracketSpace}>";
 }
 
 1;