[reland] MacViews: Allow the toolkit-views Enterprise Signin Confirmation Dialog to be used

chrome/browser/ui/views/sync/profile_signin_confirmation_dialog_views.h

 // Copyright 2013 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_UI_VIEWS_SYNC_PROFILE_SIGNIN_CONFIRMATION_DIALOG_VIEWS_H_
 #define CHROME_BROWSER_UI_VIEWS_SYNC_PROFILE_SIGNIN_CONFIRMATION_DIALOG_VIEWS_H_
 
+#include <memory>
+
 #include "base/compiler_specific.h"
 #include "base/macros.h"
 #include "chrome/browser/ui/sync/profile_signin_confirmation_helper.h"
 #include "ui/views/controls/button/button.h"
 #include "ui/views/controls/link_listener.h"
 #include "ui/views/controls/styled_label_listener.h"
 #include "ui/views/window/dialog_delegate.h"
 
 class Browser;
 class Profile;
 
 // A tab-modal dialog to allow a user signing in with a managed account
 // to create a new Chrome profile.
 class ProfileSigninConfirmationDialogViews : public views::DialogDelegateView,
                                              public views::StyledLabelListener,
                                              public views::ButtonListener {
  public:
   // Create and show the dialog, which owns itself.
-  static void ShowDialog(Browser* browser,
-                         Profile* profile,
-                         const std::string& username,
-                         ui::ProfileSigninConfirmationDelegate* delegate);
+  static void ShowDialog(
+      Browser* browser,
+      Profile* profile,
+      const std::string& username,
+      std::unique_ptr<ui::ProfileSigninConfirmationDelegate> delegate);
 
  private:
   ProfileSigninConfirmationDialogViews(
       Browser* browser,
       const std::string& username,
-      ui::ProfileSigninConfirmationDelegate* delegate);
+      std::unique_ptr<ui::ProfileSigninConfirmationDelegate> delegate);
   ~ProfileSigninConfirmationDialogViews() override;
 
   // views::DialogDelegateView:
   base::string16 GetWindowTitle() const override;
   base::string16 GetDialogButtonLabel(ui::DialogButton button) const override;
   int GetDefaultDialogButton() const override;
   views::View* CreateExtraView() override;
   bool Accept() override;
   bool Cancel() override;
   ui::ModalType GetModalType() const override;
@@ skipping 16 matching lines @@
   // is true, the dialog will offer to create a new profile before signin.
   void Show(bool prompt_for_new_profile);
 
   // Weak ptr to parent view.
   Browser* browser_;
 
   // The GAIA username being signed in.
   std::string username_;
 
   // Dialog button handler.
-  ui::ProfileSigninConfirmationDelegate* delegate_;
+  std::unique_ptr<ui::ProfileSigninConfirmationDelegate> delegate_;
 
   // Whether the user should be prompted to create a new profile.
   bool prompt_for_new_profile_;
 
   DISALLOW_COPY_AND_ASSIGN(ProfileSigninConfirmationDialogViews);
 };
 
 #endif  // CHROME_BROWSER_UI_VIEWS_SYNC_PROFILE_SIGNIN_CONFIRMATION_DIALOG_VIEWS_H_