Update all bookmarks which use an icon URL when a favicon's bitmap is updated

ios/chrome/browser/history/history_client_impl.h

 // Copyright 2015 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 IOS_CHROME_BROWSER_HISTORY_HISTORY_CLIENT_IMPL_H_
 #define IOS_CHROME_BROWSER_HISTORY_HISTORY_CLIENT_IMPL_H_
 
 #include <set>
 
 #include "base/callback_forward.h"
@@ skipping 39 matching lines @@
 
   // BookmarkModel instance providing access to bookmarks. May be null during
   // testing but must outlive HistoryClientImpl if non-null.
   bookmarks::BookmarkModel* bookmark_model_;
   bool is_bookmark_model_observer_;
 
   // Callback invoked when URLs are removed from BookmarkModel.
   base::Callback<void(const std::set<GURL>&)> on_bookmarks_removed_;
 
   // Subscription for notifications of changes to favicons.
-  scoped_ptr<base::CallbackList<void(const std::set<GURL>&)>::Subscription>
-      favicon_changed_subscription_;
+  scoped_ptr<base::CallbackList<void(const std::set<GURL>&,
+                                     const GURL&)>::Subscription>
+      favicons_changed_subscription_;
 
   DISALLOW_COPY_AND_ASSIGN(HistoryClientImpl);
 };
 
 #endif  // IOS_CHROME_BROWSER_HISTORY_HISTORY_CLIENT_IMPL_H_