Implement DOMPoint using v8 extras.

third_party/WebKit/Source/core/dom/DOMPointReadOnly.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 DOMPointReadOnly_h
-#define DOMPointReadOnly_h
-
-#include "bindings/core/v8/ScriptWrappable.h"
-#include "core/CoreExport.h"
-#include "platform/heap/Handle.h"
-
-namespace blink {
-
-class CORE_EXPORT DOMPointReadOnly : public GarbageCollected<DOMPointReadOnly>, public ScriptWrappable {
-    DEFINE_WRAPPERTYPEINFO();
-public:
-    static DOMPointReadOnly* create(double x, double y, double z, double w);
-
-    double x() const { return m_x; }
-    double y() const { return m_y; }
-    double z() const { return m_z; }
-    double w() const { return m_w; }
-
-    DEFINE_INLINE_TRACE() { }
-
-protected:
-    DOMPointReadOnly(double x, double y, double z, double w);
-
-    double m_x;
-    double m_y;
-    double m_z;
-    double m_w;
-};
-
-} // namespace blink
-
-#endif