Upstream Chrome on iOS source code [1/11].

ios/chrome/app/safe_mode/safe_mode_coordinator.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_APP_SAFE_MODE_SAFE_MODE_COORDINATOR_H_
+#define IOS_CHROME_APP_SAFE_MODE_SAFE_MODE_COORDINATOR_H_
+
+#import "ios/chrome/browser/root_coordinator.h"
+
+#import <UIKit/UIKit.h>
+
+@class SafeModeCoordinator;
+
+@protocol SafeModeCoordinatorDelegate<NSObject>
+- (void)coordinatorDidExitSafeMode:(nonnull SafeModeCoordinator*)coordinator;
+@end
+
+// Coordinator to manage the Safe Mode UI. This should be self-contained.
+// While this is a ChromeCoordinator, it doesn't support (and will DCHECK) using
+// child coordinators.
+@interface SafeModeCoordinator : RootCoordinator
+
+// Delegate for this coordinator.
+@property(nonatomic, nullable, assign) id<SafeModeCoordinatorDelegate> delegate;
+
+// If YES, there's a reason to show this coordinator.
++ (BOOL)shouldStart;
+
+@end
+
+#endif  // IOS_CHROME_APP_SAFE_MODE_SAFE_MODE_COORDINATOR_H_