Forbid creating new wrapper from SetWrapperReferenceTo

Source/bindings/tests/results/V8TestInterface.cpp

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // This file has been auto-generated by code_generator_v8.py. DO NOT MODIFY!
 
 #include "config.h"
 #if ENABLE(CONDITION)
 #include "V8TestInterface.h"
 
@@ skipping 1290 matching lines @@
 
 } // namespace TestInterfaceImplementationV8Internal
 
 void V8TestInterface::visitDOMWrapper(void* object, const v8::Persistent<v8::Object>& wrapper, v8::Isolate* isolate)
 {
     TestInterfaceImplementation* impl = fromInternalPointer(object);
     v8::Local<v8::Object> creationContext = v8::Local<v8::Object>::New(isolate, wrapper);
     V8WrapperInstantiationScope scope(creationContext, isolate);
     TestInterfaceImplementation* referencedName = impl->referencedName();
     if (referencedName) {
-        if (!DOMDataStore::containsWrapper<V8TestInterface>(referencedName, isolate))
-            wrap(referencedName, creationContext, isolate);
+        ASSERT(DOMDataStore::containsWrapper<V8TestInterface>(referencedName, isolate));
         DOMDataStore::setWrapperReference<V8TestInterface>(wrapper, referencedName, isolate);
     }
     setObjectGroup(object, wrapper, isolate);
 }
 
 static const V8DOMConfiguration::AttributeConfiguration V8TestInterfaceAttributes[] = {
     {"testInterfaceAttribute", TestInterfaceImplementationV8Internal::testInterfaceAttributeAttributeGetterCallback, TestInterfaceImplementationV8Internal::testInterfaceAttributeAttributeSetterCallback, 0, 0, 0, static_cast<v8::AccessControl>(v8::DEFAULT), static_cast<v8::PropertyAttribute>(v8::None), 0 /* on instance */},
     {"testInterfaceConstructorAttribute", TestInterfaceImplementationV8Internal::TestInterfaceImplementationConstructorGetter, TestInterfaceImplementationV8Internal::TestInterfaceImplementationReplaceableAttributeSetterCallback, 0, 0, const_cast<WrapperTypeInfo*>(&V8TestInterface::wrapperTypeInfo), static_cast<v8::AccessControl>(v8::DEFAULT), static_cast<v8::PropertyAttribute>(v8::DontEnum), 0 /* on instance */},
     {"doubleAttribute", TestInterfaceImplementationV8Internal::doubleAttributeAttributeGetterCallback, TestInterfaceImplementationV8Internal::doubleAttributeAttributeSetterCallback, 0, 0, 0, static_cast<v8::AccessControl>(v8::DEFAULT), static_cast<v8::PropertyAttribute>(v8::None), 0 /* on instance */},
     {"floatAttribute", TestInterfaceImplementationV8Internal::floatAttributeAttributeGetterCallback, TestInterfaceImplementationV8Internal::floatAttributeAttributeSetterCallback, 0, 0, 0, static_cast<v8::AccessControl>(v8::DEFAULT), static_cast<v8::PropertyAttribute>(v8::None), 0 /* on instance */},
@@ skipping 188 matching lines @@
 }
 
 template<>
 v8::Handle<v8::Value> toV8NoInline(TestInterfaceImplementation* impl, v8::Handle<v8::Object> creationContext, v8::Isolate* isolate)
 {
     return toV8(impl, creationContext, isolate);
 }
 
 } // namespace WebCore
 #endif // ENABLE(CONDITION)