Upstream Chrome on iOS source code [3/11].

ios/chrome/browser/ui/authentication/signin_confirmation_view_controller.h

+// Copyright 2016 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 IOS_CHROME_BROWSER_UI_AUTHENTICATION_SIGNIN_CONFIRMATION_VIEW_CONTROLLER_H_
+#define IOS_CHROME_BROWSER_UI_AUTHENTICATION_SIGNIN_CONFIRMATION_VIEW_CONTROLLER_H_
+
+#import <UIKit/UIKit.h>
+
+#import "ios/chrome/browser/ui/collection_view/collection_view_controller.h"
+
+@class ChromeIdentity;
+@class SigninConfirmationViewController;
+
+@protocol SigninConfirmationViewControllerDelegate
+
+// Informs the delegate that the link to open the sync settings was tapped.
+- (void)signinConfirmationControllerDidTapSettingsLink:
+    (SigninConfirmationViewController*)controller;
+
+// Informs the delegate that the confirmation view has been scrolled all
+// the way to the bottom.
+- (void)signinConfirmationControllerDidReachBottom:
+    (SigninConfirmationViewController*)controller;
+
+@end
+
+// Controller of the sign-in confirmation collection view.
+@interface SigninConfirmationViewController : CollectionViewController
+
+- (instancetype)initWithIdentity:(ChromeIdentity*)identity
+    NS_DESIGNATED_INITIALIZER;
+
+- (instancetype)initWithStyle:(CollectionViewControllerStyle)style
+    NS_UNAVAILABLE;
+
+// Scrolls the confirmation view to the bottom of its content.
+- (void)scrollToBottom;
+
+@property(nonatomic, assign) id<SigninConfirmationViewControllerDelegate>
+    delegate;
+
+@end
+
+#endif  // IOS_CHROME_BROWSER_UI_AUTHENTICATION_SIGNIN_CONFIRMATION_VIEW_CONTROLLER_H_