Implement DOMPoint using v8 extras.

third_party/WebKit/Source/bindings/core/v8/GeometryInterfaces.cpp

+// Copyright 2016 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.
+
+#include "bindings/core/v8/GeometryInterfaces.h"
+
+#include "bindings/core/v8/V8ObjectBuilder.h"
+#include "bindings/core/v8/V8ScriptRunner.h"
+
+namespace blink {
+
+ScriptValue GeometryInterfaces::createDOMPoint(ScriptState* scriptState, double x, double y, double z, double w)
+{
+    ScriptState::Scope scope(scriptState);
+
+    V8ObjectBuilder initializer(scriptState);
+    initializer.addNumber("x", x);
+    initializer.addNumber("y", y);
+    initializer.addNumber("z", z);
+    initializer.addNumber("w", w);
+
+    v8::Local<v8::Value> args[] = { initializer.v8Value() };
+    return ScriptValue(scriptState, V8ScriptRunner::callExtra(scriptState, "createDOMPoint", args));
+}
+
+} // namespace blink