Upstream Chrome on iOS source code [8/11].

ios/chrome/browser/ui/settings/settings_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.
+
+// ======                        New Architecture                         =====
+// =         This code is only used in the new iOS Chrome architecture.       =
+// ============================================================================
+
+#ifndef IOS_CHROME_BROWSER_UI_SETTINGS_SETTINGS_COORDINATOR_H_
+#define IOS_CHROME_BROWSER_UI_SETTINGS_SETTINGS_COORDINATOR_H_
+
+#import <UIKit/UIKit.h>
+
+#import "ios/chrome/browser/browser_coordinator.h"
+
+// Action delegate protocol for coordinators to handle changes to the
+// Settings UI.
+@protocol SettingsActionDelegate<NSObject>
+// Close the settings UI.
+- (void)closeSettings;
+@end
+
+// A coordinator for the Settings UI, which is usually presented modally
+// on top of whatever other UI is currently active.
+@interface SettingsCoordinator : BrowserCoordinator
+// Action delegate for this coordinator.
+@property(nonatomic, weak) id<SettingsActionDelegate> actionDelegate;
+@end
+
+#endif  // IOS_CHROME_BROWSER_UI_SETTINGS_SETTINGS_COORDINATOR_H_