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

chrome/browser/ui/cocoa/profiles/profile_signin_confirmation_view_controller.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_UI_COCOA_PROFILES_PROFILE_SIGNIN_CONFIRMATION_VIEW_CONTROLLER_H_
 #define CHROME_BROWSER_UI_COCOA_PROFILES_PROFILE_SIGNIN_CONFIRMATION_VIEW_CONTROLLER_H_
 
 #import <Cocoa/Cocoa.h>
+#include <memory>
 #include <string>
 
 #include "base/callback.h"
 #include "base/mac/scoped_nsobject.h"
 #include "chrome/browser/ui/cocoa/constrained_window/constrained_window_button.h"
 
 @class HyperlinkTextView;
 class Browser;
 
 namespace ui {
 class ProfileSigninConfirmationDelegate;
 }
 
 @interface ProfileSigninConfirmationViewController
     : NSViewController<NSTextViewDelegate> {
  @private
   // The browser object for the sign-in tab.
   Browser* browser_;
 
   // The GAIA username being signed in.
   std::string username_;
 
   // Indicates whether the user should be given the option to
   // create a new profile before completing sign-in.
   bool offerProfileCreation_;
 
   // Dialog button callbacks.
-  ui::ProfileSigninConfirmationDelegate* delegate_;
+  std::unique_ptr<ui::ProfileSigninConfirmationDelegate> delegate_;
   base::Closure closeDialogCallback_;
 
   // UI elements.
   base::scoped_nsobject<NSBox> promptBox_;
   base::scoped_nsobject<NSButton> closeButton_;
   base::scoped_nsobject<NSTextField> titleField_;
   base::scoped_nsobject<NSTextField> promptField_;
   base::scoped_nsobject<NSTextView> explanationField_;
   base::scoped_nsobject<ConstrainedWindowButton> createProfileButton_;
   base::scoped_nsobject<ConstrainedWindowButton> cancelButton_;
   base::scoped_nsobject<ConstrainedWindowButton> okButton_;
 }
 
 - (id)initWithBrowser:(Browser*)browser
-             username:(const std::string&)username
-             delegate:(ui::ProfileSigninConfirmationDelegate*)delegate
-  closeDialogCallback:(const base::Closure&)closeDialogCallback
- offerProfileCreation:(bool)offer;
+                username:(const std::string&)username
+                delegate:
+                    (std::unique_ptr<ui::ProfileSigninConfirmationDelegate>)
+                        delegate
+     closeDialogCallback:(const base::Closure&)closeDialogCallback
+    offerProfileCreation:(bool)offer;
 - (IBAction)cancel:(id)sender;
 - (IBAction)ok:(id)sender;
 - (IBAction)close:(id)sender;
 - (IBAction)createProfile:(id)sender;
 
 @end
 
-@interface ProfileSigninConfirmationViewController (TestingAPI)
-
-@property(readonly, nonatomic) ui::ProfileSigninConfirmationDelegate* delegate;
-@property(readonly, nonatomic) NSButton* createProfileButton;
-@property(readonly, nonatomic) NSTextView* explanationField;
-
-@end
-
 #endif  // CHROME_BROWSER_UI_COCOA_PROFILES_PROFILE_SIGNIN_CONFIRMATION_VIEW_CONTROLLER_H_