V8 Binding: Introduce toNativeWithTypeCheck

Source/bindings/v8/custom/V8ArrayBufferViewCustom.h

 /*
  * Copyright (C) 2009, 2011 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 30 matching lines @@
 namespace WebCore {
 
 
 class V8ArrayBufferView {
 public:
     static bool hasInstance(v8::Handle<v8::Value> value, v8::Isolate*)
     {
         return value->IsArrayBufferView();
     }
     static ArrayBufferView* toNative(v8::Handle<v8::Object>);
+    static ArrayBufferView* toNativeWithTypeCheck(v8::Isolate*, v8::Handle<v8::Value>);
 
     static inline void* toInternalPointer(ArrayBufferView* impl)
     {
         return impl;
     }
 };
 
 
 } // namespace WebCore
 #endif // V8ArrayBufferViewCustom_h