V8 Binding: Introduce toNativeWithTypeCheck

Source/bindings/tests/results/V8TestInterfaceEventTarget.h

 /*
  * 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 38 matching lines @@
 };
 
 class V8TestInterfaceEventTarget {
 public:
     static bool hasInstance(v8::Handle<v8::Value>, v8::Isolate*);
     static v8::Handle<v8::FunctionTemplate> domTemplate(v8::Isolate*, WrapperWorldType);
     static TestInterfaceEventTarget* toNative(v8::Handle<v8::Object> object)
     {
         return fromInternalPointer(object->GetAlignedPointerFromInternalField(v8DOMWrapperObjectIndex));
     }
+    static TestInterfaceEventTarget* toNativeWithTypeCheck(v8::Isolate*, v8::Handle<v8::Value>);
     static const WrapperTypeInfo wrapperTypeInfo;
     static void derefObject(void*);
     static EventTarget* toEventTarget(v8::Handle<v8::Object>);
     static const int eventListenerCacheIndex = v8DefaultWrapperInternalFieldCount + 0;
     static const int internalFieldCount = v8DefaultWrapperInternalFieldCount + 1;
     static inline void* toInternalPointer(TestInterfaceEventTarget* impl)
     {
         return V8EventTarget::toInternalPointer(impl);
     }
 
@@ skipping 84 matching lines @@
 }
 
 template<class CallbackInfo, class Wrappable>
 inline void v8SetReturnValueFast(const CallbackInfo& callbackInfo, PassRefPtr<TestInterfaceEventTarget> impl, Wrappable* wrappable)
 {
     v8SetReturnValueFast(callbackInfo, impl.get(), wrappable);
 }
 
 }
 #endif // V8TestInterfaceEventTarget_h