Add Menu API. (WIP)

browser/api/atom_api_menu_mac.mm

@@ -0,0 +1,27 @@
+// Copyright (c) 2013 GitHub, Inc. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#import "browser/api/atom_api_menu_mac.h"
+
+namespace atom {
+
+namespace api {
+
+MenuMac::MenuMac(v8::Handle<v8::Object> wrapper)
+    : Menu(wrapper),
+      controller_([[MenuController alloc] initWithModel:model_.get()
+                                 useWithPopUpButtonCell:NO]) {
+}
+
+MenuMac::~MenuMac() {
+}
+
+// static
+Menu* Menu::Create(v8::Handle<v8::Object> wrapper) {
+  return new MenuMac(wrapper);
+}
+
+}  // namespace api
+
+}  // namespace atom