Creates coordinator for ActionSheet and TextInput

ios/chrome/browser/ui/alert_coordinator/input_alert_coordinator.h

Index: ios/chrome/browser/ui/alert_coordinator/input_alert_coordinator.h
diff --git a/ios/chrome/browser/ui/alert_coordinator/input_alert_coordinator.h b/ios/chrome/browser/ui/alert_coordinator/input_alert_coordinator.h
new file mode 100644
index 0000000000000000000000000000000000000000..71fea4ffa91388f7448b6f4dc34a5798bf650111
--- /dev/null
+++ b/ios/chrome/browser/ui/alert_coordinator/input_alert_coordinator.h
@@ -0,0 +1,22 @@
+// 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_ALERT_COORDINATOR_INPUT_ALERT_COORDINATOR_H_
+#define IOS_CHROME_BROWSER_UI_ALERT_COORDINATOR_INPUT_ALERT_COORDINATOR_H_
+
+#import "ios/chrome/browser/ui/alert_coordinator/alert_coordinator.h"
+
+// Coordinator for displaying Modal Alert with text inputs.
+@interface InputAlertCoordinator : AlertCoordinator
+
+// Text fields displayed by the alert.
+@property(nonatomic, readonly) NSArray<UITextField*>* textFields;
+
+// Add a text field to the alert.
+- (void)addTextFieldWithConfigurationHandler:
+    (void (^)(UITextField* textField))configurationHandler;
+
+@end
+
+#endif  // IOS_CHROME_BROWSER_UI_ALERT_COORDINATOR_INPUT_ALERT_COORDINATOR_H_