[Payment Request] Selector view controller in showcase

ios/showcase/payments/sc_payments_selector_coordinator.h

Index: ios/showcase/payments/sc_payments_selector_coordinator.h
diff --git a/ios/showcase/payments/sc_payments_selector_coordinator.h b/ios/showcase/payments/sc_payments_selector_coordinator.h
new file mode 100644
index 0000000000000000000000000000000000000000..9ab7f4e7c2ec1b3bc7d6b730620a87d32ca1057d
--- /dev/null
+++ b/ios/showcase/payments/sc_payments_selector_coordinator.h
@@ -0,0 +1,17 @@
+// Copyright 2017 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_SHOWCASE_PAYMENTS_SC_PAYMENTS_SELECTOR_COORDINATOR_H_
+#define IOS_SHOWCASE_PAYMENTS_SC_PAYMENTS_SELECTOR_COORDINATOR_H_
+
+#import <UIKit/UIKit.h>
+
+#import "ios/showcase/common/navigation_coordinator.h"
+
+// Coordinator responsible for creating and presenting a
+// PaymentRequestSelectorViewController.
+@interface SCPaymentsSelectorCoordinator : NSObject<NavigationCoordinator>
+@end
+
+#endif  // IOS_SHOWCASE_PAYMENTS_SC_PAYMENTS_SELECTOR_COORDINATOR_H_