Index: components/dom_distiller/ios/favicon_web_state_dispatcher.h |
diff --git a/components/dom_distiller/ios/favicon_web_state_dispatcher.h b/components/dom_distiller/ios/favicon_web_state_dispatcher.h |
new file mode 100644 |
index 0000000000000000000000000000000000000000..c34e6985a12377b207e7d4c1044e5512ec1430a0 |
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+++ b/components/dom_distiller/ios/favicon_web_state_dispatcher.h |
@@ -0,0 +1,34 @@ |
+// 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_WEB_STATE_DISPATCHER_H_ |
+#define COMPONENTS_DOM_DISTILLER_IOS_FAVICON_WEB_STATE_DISPATCHER_H_ |
+ |
+namespace web { |
+class WebState; |
+} |
+ |
+namespace dom_distiller { |
+ |
+// Dispatcher for WebState having a Favicon Driver, with BookmarkModel and |
+// HistoryService attached, as observer. The Webstates are kept alive between |
+// their creation and their return. After a WebState is returned, the dispatcher |
+// keeps it alive long enough for it to download the favicons. |
+class FaviconWebStateDispatcher { |
+ public: |
+ FaviconWebStateDispatcher() {} |
+ virtual ~FaviconWebStateDispatcher() {} |
+ // Returns a WebState with a Favicon Driver attached. |
+ virtual web::WebState* RequestWebState() = 0; |
+ // Called to return a WebState. The WebState should not be used after being |
+ // returned. |
+ virtual void ReturnWebState(web::WebState* web_state) = 0; |
+ |
+ private: |
+ DISALLOW_COPY_AND_ASSIGN(FaviconWebStateDispatcher); |
+}; |
+ |
+} // namespace dom_distiller |
+ |
+#endif // COMPONENTS_DOM_DISTILLER_IOS_FAVICON_WEB_STATE_DISPATCHER_H_ |