Merge 78738

Source/WebCore/bindings/v8/custom/V8DataViewCustom.cpp

 /*
  * Copyright (C) 2010 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:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
  * 2.  Redistributions in binary form must reproduce the above copyright
@@ skipping 21 matching lines @@
 #include "V8ArrayBufferViewCustom.h"
 #include "V8Binding.h"
 #include "V8BindingMacros.h"
 #include "V8DataView.h"
 #include "V8Proxy.h"
 
 namespace WebCore {
 
 v8::Handle<v8::Value> V8DataView::constructorCallback(const v8::Arguments& args)
 {
-    INC_STATS("DOM.ArrayBuffer.Constructor");
+    INC_STATS("DOM.DataView.Constructor");
+
+    if (!args.IsConstructCall())
+        return throwError("DOM object constructor cannot be called as a function", V8Proxy::SyntaxError);
 
     if (args[0]->IsNull() || !V8ArrayBuffer::HasInstance(args[0]))
         return V8Proxy::throwTypeError();
     return constructWebGLArrayWithArrayBufferArgument<DataView, char>(args, &info, v8::kExternalByteArray, false);
 }
 
 v8::Handle<v8::Value> toV8(DataView* impl)
 {
     if (!impl)
         return v8::Null();
@@ skipping 62 matching lines @@
     EXCEPTION_BLOCK(int, value, toInt32(args[1]));
     imp->setUint8(byteOffset, static_cast<uint8_t>(value), ec);
     if (UNLIKELY(ec))
         V8Proxy::setDOMException(ec);
     return v8::Handle<v8::Value>();
 }
 
 } // namespace WebCore
 
 #endif // ENABLE(3D_CANVAS) || ENABLE(BLOB)