HID-detection screen moved to screenContext.

chrome/browser/chromeos/login/screens/hid_detection_screen_actor.h

-// Copyright 2014 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.
-
-#ifndef CHROME_BROWSER_CHROMEOS_LOGIN_SCREENS_HID_DETECTION_SCREEN_ACTOR_H_
-#define CHROME_BROWSER_CHROMEOS_LOGIN_SCREENS_HID_DETECTION_SCREEN_ACTOR_H_
-
-#include <string>
-
-#include "base/callback_forward.h"
-
-namespace chromeos {
-
-// Interface between HID detection screen and its representation.
-// Note, do not forget to call OnActorDestroyed in the dtor.
-class HIDDetectionScreenActor {
- public:
-  // Allows us to get info from HID detection screen that we need.
-  class Delegate {
-   public:
-    virtual ~Delegate() {}
-
-    // Called when screen is exited.
-    virtual void OnExit() = 0;
-
-    // This method is called, when actor is being destroyed. Note, if Delegate
-    // is destroyed earlier then it has to call SetDelegate(NULL).
-    virtual void OnActorDestroyed(HIDDetectionScreenActor* actor) = 0;
-  };
-
-  virtual ~HIDDetectionScreenActor() {}
-
-  virtual void Show() = 0;
-  virtual void Hide() = 0;
-  virtual void SetDelegate(Delegate* delegate) = 0;
-
-  // Checks if we should show the screen or enough devices already present.
-  // Calls corresponding set of actions based on the bool result.
-  virtual void CheckIsScreenRequired(
-      const base::Callback<void(bool)>& on_check_done) = 0;
-};
-
-}  // namespace chromeos
-
-#endif  // CHROME_BROWSER_CHROMEOS_LOGIN_SCREENS_HID_DETECTION_SCREEN_ACTOR_H_
-