Remove NOTIFICATION_HISTORY_URLS_DELETED

components/history/core/browser/history_service_observer.h

Index: components/history/core/browser/history_service_observer.h
diff --git a/components/history/core/browser/history_service_observer.h b/components/history/core/browser/history_service_observer.h
index 834f39b47d20ca4d7623dce43df94b4954da20ff..a734f4a3007cb4fcbb1b76f0b85704f25b30cb47 100644
--- a/components/history/core/browser/history_service_observer.h
+++ b/components/history/core/browser/history_service_observer.h
@@ -43,6 +43,20 @@ class HistoryServiceObserver {
   virtual void OnAddVisit(HistoryService* history_service,
                           const BriefVisitInfo& info) {}
 
+  // Called when one or more of URLs are deleted.
+  //
+  // |all_history| is set to true, if all the URLs are deleted.
+  //               When set to true, |deleted_rows| and |favicon_urls| are
+  //               undefined.
+  // |expired| is set to true, if the URL deletion is due to expiration.
+  // |deleted_rows| list of the deleted URLs.
+  // |favicon_urls| list of favicon URLs that correspond to the deleted URLs.
+  virtual void OnURLsDeleted(HistoryService* history_service,
+                             bool all_history,
+                             bool expired,
+                             const URLRows& deleted_rows,
+                             const std::set<GURL>& favicon_urls) {}
+
   // Is called to notify when |history_service| has finished loading.
   virtual void OnHistoryServiceLoaded(HistoryService* history_service) {}