cros: Fold EulaModel into EulaView.

chrome/browser/chromeos/login/screens/eula_model.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_EULA_MODEL_H_
-#define CHROME_BROWSER_CHROMEOS_LOGIN_SCREENS_EULA_MODEL_H_
-
-#include "chrome/browser/chromeos/login/screens/base_screen.h"
-#include "url/gurl.h"
-
-namespace chromeos {
-
-class BaseScreenDelegate;
-class EulaView;
-
-// Allows us to get info from eula screen that we need.
-class EulaModel : public BaseScreen {
- public:
-  static const char kUserActionAcceptButtonClicked[];
-  static const char kUserActionBackButtonClicked[];
-  static const char kContextKeyUsageStatsEnabled[];
-
-  explicit EulaModel(BaseScreenDelegate* base_screen_delegate);
-  ~EulaModel() override;
-
-  // Returns URL of the OEM EULA page that should be displayed using current
-  // locale and manifest. Returns empty URL otherwise.
-  virtual GURL GetOemEulaUrl() const = 0;
-
-  // Initiate TPM password fetch. Will call actor's OnPasswordFetched() when
-  // done.
-  virtual void InitiatePasswordFetch() = 0;
-
-  // Returns true if usage statistics reporting is enabled.
-  virtual bool IsUsageStatsEnabled() const = 0;
-
-  // This method is called, when view is being destroyed. Note, if model
-  // is destroyed earlier then it has to call SetModel(NULL).
-  virtual void OnViewDestroyed(EulaView* view) = 0;
-};
-
-}  // namespace chromeos
-
-#endif  // CHROME_BROWSER_CHROMEOS_LOGIN_SCREENS_EULA_MODEL_H_