Removed archived history file deletion on browser start

components/history/core/browser/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.
 
 #ifndef COMPONENTS_HISTORY_CORE_BROWSER_HISTORY_BACKEND_H_
 #define COMPONENTS_HISTORY_CORE_BROWSER_HISTORY_BACKEND_H_
 
 #include <set>
 #include <string>
 #include <utility>
@@ skipping 539 matching lines @@
   FRIEND_TEST_ALL_PREFIXES(HistoryBackendTest, HostRankIfAvailable);
   FRIEND_TEST_ALL_PREFIXES(HistoryBackendTest, RecordTopHostsMetrics);
   FRIEND_TEST_ALL_PREFIXES(HistoryBackendTest, UpdateVisitDuration);
   FRIEND_TEST_ALL_PREFIXES(HistoryBackendTest, ExpireHistoryForTimes);
   FRIEND_TEST_ALL_PREFIXES(HistoryBackendTest, DeleteFTSIndexDatabases);
   FRIEND_TEST_ALL_PREFIXES(ProfileSyncServiceTypedUrlTest,
                            ProcessUserChangeRemove);
   friend class ::TestingProfile;
 
   // Computes the name of the specified database on disk.
-  base::FilePath GetArchivedFileName() const;
   base::FilePath GetThumbnailFileName() const;
 
   // Returns the name of the Favicons database. This is the new name
   // of the Thumbnails database.
   base::FilePath GetFaviconsFileName() const;
 
   class URLQuerier;
   friend class URLQuerier;
 
   // Does the work of Init.
@@ skipping 309 matching lines @@
 
   // List of observers
   base::ObserverList<HistoryBackendObserver> observers_;
 
   DISALLOW_COPY_AND_ASSIGN(HistoryBackend);
 };
 
 }  // namespace history
 
 #endif  // COMPONENTS_HISTORY_CORE_BROWSER_HISTORY_BACKEND_H_