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| 1 // Copyright 2014 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #ifndef COMPONENTS_FAVICON_CORE_BROWSER_FAVICON_TAB_HELPER_OBSERVER_H_ | |
| 6 #define COMPONENTS_FAVICON_CORE_BROWSER_FAVICON_TAB_HELPER_OBSERVER_H_ | |
| 7 | |
| 8 namespace gfx { | |
| 9 class Image; | |
| 10 } | |
| 11 | |
| 12 // An observer implemented by classes which are interested in envent in | |
| 13 // FaviconTabHelper. | |
| 14 class FaviconTabHelperObserver { | |
| 15 public: | |
| 16 // Called when favicon |image| is retrieved from either web site or history | |
| 17 // backend. | |
| 18 virtual void OnFaviconAvailable(const gfx::Image& image) = 0; | |
| 19 | |
| 20 protected: | |
| 21 virtual ~FaviconTabHelperObserver() {} | |
| 22 }; | |
| 23 | |
| 24 #endif // COMPONENTS_FAVICON_CORE_BROWSER_FAVICON_TAB_HELPER_OBSERVER_H_ | |
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