Implement DOMPoint of geometry interfaces.

Source/core/dom/DOMPoint.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 DOMPoint_h
+#define DOMPoint_h
+
+#include "bindings/core/v8/Dictionary.h"
+#include "core/dom/DOMPointReadOnly.h"
+
+namespace WebCore {
+
+class DOMPoint FINAL : public DOMPointReadOnly {
+public:
+    static DOMPoint* create(const Dictionary&);
+    static DOMPoint* create(double x, double y, double z = 0, double w = 1);
+
+    void setX(double x) { m_x = x; }
+    void setY(double y) { m_y = y; }
+    void setZ(double z) { m_z = z; }
+    void setW(double w) { m_w = w; }
+
+protected:
+    DOMPoint(double x, double y, double z, double w);
+};
+
+} // namespace WebCore
+
+#endif