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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.h
void PaintButtonContents(gfx::Canvas* canvas) override;
  
  std::unique_ptr<views::InkDropRipple> CreateInkDropRipple() const override;
  std::unique_ptr<views::InkDrop> CreateInkDrop() override;
 private:
  bool GetUnderlinePosition(const base::string16& text,
                            base::char16* accelerator,
                            int* start, int* end);
  void GetCharacterPosition(
      const base::string16& text, int index, int* pos);
  base::char16 accelerator_;
  bool show_underline_;
  int underline_start_;
  int underline_end_;
  int text_width_;
  int text_height_;
  SkColor underline_color_;
  SkColor background_color_;
  DISALLOW_COPY_AND_ASSIGN(SubmenuButton);
};
}  
#endif