bindings: Adds DOMArrayBuffer, etc. as thin wrappers for ArrayBuffer, etc.

Source/core/dom/DOMArrayPiece.h

+// 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.
+
+#ifndef DOMArrayPiece_h
+#define DOMArrayPiece_h
+
+#include "core/dom/DOMArrayBuffer.h"
+#include "core/dom/DOMArrayBufferView.h"
+#include "wtf/ArrayPiece.h"
+
+namespace blink {
+
+class DOMArrayPiece : public WTF::ArrayPiece {
+public:
+    DOMArrayPiece(DOMArrayBuffer* buffer)
+        : ArrayPiece(buffer->buffer()) { }
+    DOMArrayPiece(DOMArrayBufferView* view)
+        : ArrayPiece(view->view()) { }
+};
+
+} // namespace blink
+
+#endif // DOMArrayPiece_h