Remove NOTIFICATION_HISTORY_URLS_DELETED

chrome/browser/history/in_memory_history_backend.h

 // Copyright (c) 2012 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.
 
 // The InMemoryHistoryBackend is a wrapper around the in-memory URL database.
 // It maintains an in-memory cache of a subset of history that is required for
 // low-latency operations, such as in-line autocomplete.
 //
 // The in-memory cache provides the following guarantees:
 //  (1.) It will always contain URLRows that either have a |typed_count| > 0; or
@@ skipping 56 matching lines @@
   // Deletes all search terms for the specified keyword.
   void DeleteAllSearchTermsForKeyword(KeywordID keyword_id);
 
   // Returns the underlying database associated with this backend. The current
   // autocomplete code was written fro this, but it should probably be removed
   // so that it can deal directly with this object, rather than the DB.
   InMemoryDatabase* db() const {
     return db_.get();
   }
 
+  // Notification callback.
+  void Observe(int type,
+               const content::NotificationSource& source,
+               const content::NotificationDetails& details) override;
+
+ private:
+  FRIEND_TEST_ALL_PREFIXES(HistoryBackendTest, DeleteAll);
+  FRIEND_TEST_ALL_PREFIXES(InMemoryHistoryBackendTest, OnURLsDeletedEnMasse);
+  friend class HistoryBackendTestBase;
+  friend class InMemoryHistoryBackendTest;
+
   // HistoryServiceObserver:
   void OnURLVisited(HistoryService* history_service,
                     ui::PageTransition transition,
                     const URLRow& row,
                     const RedirectList& redirects,
                     base::Time visit_time) override;
   void OnURLsModified(HistoryService* history_service,
                       const URLRows& changed_urls) override;
-
-  // Notification callback.
-  void Observe(int type,
-               const content::NotificationSource& source,
-               const content::NotificationDetails& details) override;
-
- private:
-  FRIEND_TEST_ALL_PREFIXES(HistoryBackendTest, DeleteAll);
+  void OnURLsDeleted(HistoryService* history_service,
+                     const URLsDeletedDetails& deleted_details) override;
 
   // Handler for HISTORY_URL_VISITED and HISTORY_URLS_MODIFIED.
   void OnURLVisitedOrModified(const URLRow& url_row);
 
-  // Handler for HISTORY_URLS_DELETED.
-  void OnURLsDeleted(const URLsDeletedDetails& details);
-
   // Handler for HISTORY_KEYWORD_SEARCH_TERM_UPDATED.
   void OnKeywordSearchTermUpdated(const KeywordSearchUpdatedDetails& details);
 
   // Handler for HISTORY_KEYWORD_SEARCH_TERM_DELETED.
   void OnKeywordSearchTermDeleted(const KeywordSearchDeletedDetails& details);
 
   content::NotificationRegistrar registrar_;
 
   scoped_ptr<InMemoryDatabase> db_;
 
   // The profile that this object is attached. May be NULL before
   // initialization.
   Profile* profile_;
   ScopedObserver<HistoryService, HistoryServiceObserver>
       history_service_observer_;
   HistoryService* history_service_;
 
   DISALLOW_COPY_AND_ASSIGN(InMemoryHistoryBackend);
 };
 
 }  // namespace history
 
 #endif  // CHROME_BROWSER_HISTORY_IN_MEMORY_HISTORY_BACKEND_H_