Save favicon during reading list distillation

components/dom_distiller/ios/favicon_observer_factory.h

+// 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 COMPONENTS_DOM_DISTILLER_IOS_FAVICON_OBSERVER_FACTORY_H_
+#define COMPONENTS_DOM_DISTILLER_IOS_FAVICON_OBSERVER_FACTORY_H_
+
+namespace web {
+class BrowserState;
+class WebState;
+}
+
+namespace dom_distiller {
+
+// Factory to add a favicon observer to a web state.
+class FaviconObserverFactory {
+ public:
+  virtual void AddFaviconObserver(web::WebState* web_state,

[Eugene But (OOO till 7-30), 2016/12/08 15:34:53]

Please add comments

+                                  web::BrowserState* browser_state) = 0;
+};
+
+}  // namespace dom_distiller
+
+#endif  // COMPONENTS_DOM_DISTILLER_IOS_FAVICON_OBSERVER_FACTORY_H_