[Win] Ship with Chromium's menu library.

I will hack it.

browser/ui/win/menu_2.cc

@@ -0,0 +1,64 @@
+// Copyright (c) 2013 GitHub, Inc. All rights reserved.
+// Copyright (c) 2012 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 "browser/ui/win/menu_2.h"
+
+#include "ui/base/models/menu_model.h"
+#include "ui/views/controls/menu/menu_listener.h"
+
+// Really bad hack here, renaming all class names would be too much work.
+using namespace views;  // NOLINT
+
+namespace atom {
+
+Menu2::Menu2(ui::MenuModel* model)
+    : model_(model),
+      wrapper_(MenuWrapper::CreateWrapper(model)) {
+  Rebuild();
+}
+
+Menu2::~Menu2() {}
+
+HMENU Menu2::GetNativeMenu() const {
+  return wrapper_->GetNativeMenu();
+}
+
+void Menu2::RunMenuAt(const gfx::Point& point, Alignment alignment) {
+  wrapper_->RunMenuAt(point, alignment);
+}
+
+void Menu2::RunContextMenuAt(const gfx::Point& point) {
+  RunMenuAt(point, ALIGN_TOPLEFT);
+}
+
+void Menu2::CancelMenu() {
+  wrapper_->CancelMenu();
+}
+
+void Menu2::Rebuild() {
+  wrapper_->Rebuild(NULL);
+}
+
+void Menu2::UpdateStates() {
+  wrapper_->UpdateStates();
+}
+
+MenuWrapper::MenuAction Menu2::GetMenuAction() const {
+  return wrapper_->GetMenuAction();
+}
+
+void Menu2::AddMenuListener(MenuListener* listener) {
+  wrapper_->AddMenuListener(listener);
+}
+
+void Menu2::RemoveMenuListener(MenuListener* listener) {
+  wrapper_->RemoveMenuListener(listener);
+}
+
+void Menu2::SetMinimumWidth(int width) {
+  wrapper_->SetMinimumWidth(width);
+}
+
+}  // namespace atom