Implement DOMRect of geometry interfaces.

Source/core/dom/DOMRect.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 DOMRect_h
+#define DOMRect_h
+
+#include "bindings/core/v8/Dictionary.h"
+#include "core/dom/DOMRectReadOnly.h"
+
+namespace WebCore {
+
+class DOMRect FINAL : public DOMRectReadOnly {
+public:
+    static DOMRect* create(double x = 0, double y = 0, double width = 0, double height = 0);
+
+    void setX(double x) { m_x = x; }
+    void setY(double y) { m_y = y; }
+    void setWidth(double width) { m_width = width; }
+    void setHeight(double height) { m_height = height; }
+
+protected:
+    DOMRect(double x, double y, double z, double w);
+};
+
+} // namespace WebCore
+
+#endif