Revert of Reset Screen moved to ScreenContext.

chrome/browser/chromeos/login/screens/reset_view.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_RESET_VIEW_H_
-#define CHROME_BROWSER_CHROMEOS_LOGIN_SCREENS_RESET_VIEW_H_
-
-namespace chromeos {
-
-class ResetModel;
-
-// Interface for dependency injection between ResetScreen and its actual
-// representation, either views based or WebUI.
-class ResetView {
- public:
-  virtual ~ResetView() {}
-
-  virtual void Bind(ResetModel& model) = 0;
-  virtual void Unbind() = 0;
-  virtual void PrepareToShow() = 0;
-  virtual void Show() = 0;
-  virtual void Hide() = 0;
-};
-
-}  // namespace chromeos
-
-#endif  // CHROME_BROWSER_CHROMEOS_LOGIN_SCREENS_RESET_VIEW_H_