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* Electron version: 2.0.0-beta.3
* Operating system: Ubuntu 16.04.04 LTS

### Expected behavior

App menu should be visible

### Actual behavior

App menu is invisible

### How to reproduce

- Run `electron`
- Observe that the app menu is invisible. It is still possible to open submenus.

![screenshot from 2018-03-14 17-01-18](https://user-images.githubusercontent.com/19880051/37415303-7296c25e-27ab-11e8-8284-d213c8bf5230.png)

atom/browser/ui/views/submenu_button.cc
}
std::unique_ptr<views::InkDropRipple> SubmenuButton::CreateInkDropRipple()
    const {
  std::unique_ptr<views::InkDropRipple> ripple(
      new views::FloodFillInkDropRipple(
          size(),
          GetInkDropCenterBasedOnLastEvent(),
          GetInkDropBaseColor(),
          ink_drop_visible_opacity()));
  return ripple;
}
std::unique_ptr<views::InkDrop> SubmenuButton::CreateInkDrop() {
  std::unique_ptr<views::InkDropImpl> ink_drop =
      views::Button::CreateDefaultInkDropImpl();
  ink_drop->SetShowHighlightOnHover(false);
  return std::move(ink_drop);
}
void SubmenuButton::SetAcceleratorVisibility(bool visible) {
  if (visible == show_underline_)
    return;
  show_underline_ = visible;
  SchedulePaint();
}
void SubmenuButton::SetUnderlineColor(SkColor color) {
  underline_color_ = color;
}
void SubmenuButton::PaintButtonContents(gfx::Canvas* canvas) {