| // Copyright 2019 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 WEBLAYER_PUBLIC_TAB_OBSERVER_H_ |
| #define WEBLAYER_PUBLIC_TAB_OBSERVER_H_ |
| |
| class GURL; |
| |
| namespace weblayer { |
| |
| class TabObserver { |
| public: |
| // The URL bar should be updated to |url|. |
| virtual void DisplayedUrlChanged(const GURL& url) {} |
| |
| // Triggered when the render process dies, either due to crash or killed by |
| // the system to reclaim memory. |
| virtual void OnRenderProcessGone() {} |
| |
| protected: |
| virtual ~TabObserver() {} |
| }; |
| |
| } // namespace weblayer |
| |
| #endif // WEBLAYER_PUBLIC_TAB_OBSERVER_H_ |