- Electron version: 1.1.3 & 1.2.0
- Operating system: Windows 10 Build 10580

The icon of a window is reset after minimizing it for a short period of time (about 2 minutes), hiding it and showing it again.
An app to reproduce this bug: https://github.com/taroxd/electron-quick-start

atom/browser/native_window_views.h
void Maximize() override;
  void Unmaximize() override;
  bool IsMaximized() override;
  void Minimize() override;
  void Restore() override;
  bool IsMinimized() override;
  void SetFullScreen(bool fullscreen) override;
  bool IsFullscreen() const override;
  void SetBounds(const gfx::Rect& bounds, bool animate) override;
  gfx::Rect GetBounds() override;
  gfx::Size GetContentSize() override;
  void SetContentSizeConstraints(
      const extensions::SizeConstraints& size_constraints) override;
  void SetResizable(bool resizable) override;
  bool IsResizable() override;
  void SetMovable(bool movable) override;
  bool IsMovable() override;
  void SetMinimizable(bool minimizable) override;
  bool IsMinimizable() override;
  void SetMaximizable(bool maximizable) override;
  bool IsMaximizable() override;
  void SetFullScreenable(bool fullscreenable) override;
  bool IsFullScreenable() override;
  void SetClosable(bool closable) override;
  bool IsClosable() override;
  void SetAlwaysOnTop(bool top) override;
  bool IsAlwaysOnTop() override;
  void Center() override;
  void SetTitle(const std::string& title) override;
  std::string GetTitle() override;