- Electron version: 1.1.0
- Operating system: N/A

Currently there isn't any way to remove dialog boxes (such as ones created through `dialog.showMessageBox`).  This can be useful in, for example, "Keep Waiting" dialogs.  After the window becomes responsive again it would be great if we could programmatically close the dialog.

shell/browser/ui/message_box.h
#ifndef SHELL_BROWSER_UI_MESSAGE_BOX_H_
#define SHELL_BROWSER_UI_MESSAGE_BOX_H_
#include <string>
#include <utility>
#include <vector>
#include "base/callback_forward.h"
#include "ui/gfx/image/image_skia.h"
namespace electron {
class NativeWindow;
enum class MessageBoxType {
  kNone = 0,
  kInformation,
  kWarning,