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| 1 // Copyright 2016 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. |
| 4 |
| 5 #ifndef IOS_CHROME_BROWSER_UI_MAIN_MAIN_VIEW_CONTROLLER_H_ |
| 6 #define IOS_CHROME_BROWSER_UI_MAIN_MAIN_VIEW_CONTROLLER_H_ |
| 7 |
| 8 #import <UIKit/UIKIt.h> |
| 9 |
| 10 // A UIViewController that provides a property to maintain a single child view |
| 11 // controller. |
| 12 @interface MainViewController : UIViewController |
| 13 // The child view controller, if any, that is active. Assigning to |
| 14 // |activeViewController| will remove any previous active view controller. |
| 15 @property(nonatomic, retain) UIViewController* activeViewController; |
| 16 @end |
| 17 |
| 18 #endif // IOS_CHROME_BROWSER_UI_MAIN_MAIN_VIEW_CONTROLLER_H_ |
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