[WIP] Implement DOMPoint of geometry interface.

Source/core/dom/DOMPointReadOnly.h

Index: Source/core/dom/DOMPointReadOnly.h
diff --git a/Source/core/dom/DOMPointReadOnly.h b/Source/core/dom/DOMPointReadOnly.h
new file mode 100644
index 0000000000000000000000000000000000000000..fc856d0b6b4ae97e1f74ec1f70c07b3df6ecb792
--- /dev/null
+++ b/Source/core/dom/DOMPointReadOnly.h
@@ -0,0 +1,28 @@
+// 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 "platform/heap/Handle.h"
+#include "wtf/RefCounted.h"
+
+namespace WebCore {
+
+class DOMPointReadOnly : public GarbageCollected<DOMPointReadOnly> {
+public:
+    static DOMPointReadOnly* create()
+    {
+        return new DOMPointReadOnly();
+    }
+
+    virtual void trace(Visitor* v) { }
+
+protected:
+    DOMPointReadOnly() { }
+};
+
+} // namespace WebCore
+
+#endif