Index: chrome/browser/ui/views/payments/order_summary_state_observer.h |
diff --git a/chrome/browser/ui/views/payments/order_summary_state_observer.h b/chrome/browser/ui/views/payments/order_summary_state_observer.h |
new file mode 100644 |
index 0000000000000000000000000000000000000000..14a5367e6d3ac6cf072558f7ed612a4f3adc5617 |
--- /dev/null |
+++ b/chrome/browser/ui/views/payments/order_summary_state_observer.h |
@@ -0,0 +1,20 @@ |
+// 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 CHROME_BROWSER_UI_VIEWS_PAYMENTS_ORDER_SUMMARY_STATE_OBSERVER_H_ |
+#define CHROME_BROWSER_UI_VIEWS_PAYMENTS_ORDER_SUMMARY_STATE_OBSERVER_H_ |
+ |
+namespace payments { |
+ |
+class OrderSummaryStateObserver { |
+ public: |
+ virtual void OnBackClicked() {} |
+ |
+ protected: |
+ virtual ~OrderSummaryStateObserver() {} |
+}; |
+ |
+} // namespace payments |
+ |
+#endif // CHROME_BROWSER_UI_VIEWS_PAYMENTS_ORDER_SUMMARY_STATE_OBSERVER_H_ |