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

Source/core/dom/DOMArrayBufferDeallocationObserver.h

Index: Source/core/dom/DOMArrayBufferDeallocationObserver.h
diff --git a/Source/core/dom/DOMArrayBufferDeallocationObserver.h b/Source/core/dom/DOMArrayBufferDeallocationObserver.h
new file mode 100644
index 0000000000000000000000000000000000000000..1560942ea6f23db67ea5f5655ee48232d31cc07d
--- /dev/null
+++ b/Source/core/dom/DOMArrayBufferDeallocationObserver.h
@@ -0,0 +1,24 @@
+// 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 DOMArrayBufferDeallocationObserver_h
+#define DOMArrayBufferDeallocationObserver_h
+
+#include "wtf/ArrayBufferDeallocationObserver.h"
+
+namespace blink {
+
+class DOMArrayBufferDeallocationObserver final : public WTF::ArrayBufferDeallocationObserver {
+public:
+    static DOMArrayBufferDeallocationObserver* instance();
+
+    virtual void arrayBufferDeallocated(unsigned sizeInBytes) override;
+
+protected:
+    virtual void blinkAllocatedMemory(unsigned sizeInBytes) override;
+};
+
+} // namespace blink
+
+#endif // DOMArrayBufferDeallocationObserver_h