V8 Binding: Introduce toNativeWithTypeCheck

Source/bindings/tests/results/V8TestEventTarget.cpp

 /*
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 111 matching lines @@
 static void indexedPropertyGetterCallback(uint32_t index, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMIndexedProperty");
     TestEventTargetV8Internal::indexedPropertyGetter(index, info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void indexedPropertySetter(uint32_t index, v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TestEventTarget* imp = V8TestEventTarget::toNative(info.Holder());
-    V8TRYCATCH_VOID(Node*, propertyValue, V8Node::hasInstance(jsValue, info.GetIsolate()) ? V8Node::toNative(v8::Handle<v8::Object>::Cast(jsValue)) : 0);
+    V8TRYCATCH_VOID(Node*, propertyValue, V8Node::toNativeWithTypeCheck(info.GetIsolate(), jsValue));
     if (!isUndefinedOrNull(jsValue) && !V8Node::hasInstance(jsValue, info.GetIsolate())) {
         exceptionState.throwTypeError("The provided value is not of type 'Node'.");
         exceptionState.throwIfNeeded();
         return;
     }
     bool result = imp->anonymousIndexedSetter(index, propertyValue);
     if (!result)
         return;
     v8SetReturnValue(info, jsValue);
 }
@@ skipping 165 matching lines @@
     data->templateMap(currentWorldType).add(&wrapperTypeInfo, UnsafePersistent<v8::FunctionTemplate>(isolate, templ));
     return handleScope.Escape(templ);
 }
 
 bool V8TestEventTarget::hasInstance(v8::Handle<v8::Value> jsValue, v8::Isolate* isolate)
 {
     return V8PerIsolateData::from(isolate)->hasInstanceInMainWorld(&wrapperTypeInfo, jsValue)
         || V8PerIsolateData::from(isolate)->hasInstanceInNonMainWorld(&wrapperTypeInfo, jsValue);
 }
 
+TestEventTarget* V8TestEventTarget::toNativeWithTypeCheck(v8::Isolate* isolate, v8::Handle<v8::Value> value)
+{
+    return hasInstance(value, isolate) ? fromInternalPointer(v8::Handle<v8::Object>::Cast(value)->GetAlignedPointerFromInternalField(v8DOMWrapperObjectIndex)) : 0;
+}
+
 EventTarget* V8TestEventTarget::toEventTarget(v8::Handle<v8::Object> object)
 {
     return toNative(object);
 }
 
 v8::Handle<v8::Object> V8TestEventTarget::createWrapper(PassRefPtr<TestEventTarget> impl, v8::Handle<v8::Object> creationContext, v8::Isolate* isolate)
 {
     ASSERT(impl);
     ASSERT(!DOMDataStore::containsWrapper<V8TestEventTarget>(impl.get(), isolate));
     if (ScriptWrappable::wrapperCanBeStoredInObject(impl.get())) {
@@ skipping 17 matching lines @@
     fromInternalPointer(object)->deref();
 }
 
 template<>
 v8::Handle<v8::Value> toV8NoInline(TestEventTarget* impl, v8::Handle<v8::Object> creationContext, v8::Isolate* isolate)
 {
     return toV8(impl, creationContext, isolate);
 }
 
 } // namespace WebCore