Fix an issue that temp files are left permanently on storage after chrome crash

components/history/core/browser/history_service.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_SERVICE_H_
 #define COMPONENTS_HISTORY_CORE_BROWSER_HISTORY_SERVICE_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 401 matching lines @@
 
   // Begins a history request to retrieve the state of all downloads in the
   // history db. 'callback' runs when the history service request is complete,
   // at which point 'info' contains an array of DownloadRow, one per
   // download. The callback is called on the thread that calls QueryDownloads().
   void QueryDownloads(const DownloadQueryCallback& callback);
 
   // Called to update the history service about the current state of a download.
   // This is a 'fire and forget' query, so just pass the relevant state info to
   // the database with no need for a callback.
-  void UpdateDownload(const DownloadRow& data);
+  void UpdateDownload(const DownloadRow& data, bool should_commit_immediately);
 
   // Permanently remove some downloads from the history system. This is a 'fire
   // and forget' operation.
   void RemoveDownloads(const std::set<uint32_t>& ids);
 
   // Keyword search terms -----------------------------------------------------
 
   // Sets the search terms for the specified url and keyword. url_id gives the
   // id of the url, keyword_id the id of the keyword and term the search term.
   void SetKeywordSearchTermsForURL(const GURL& url,
@@ skipping 403 matching lines @@
 
   // All vended weak pointers are invalidated in Cleanup().
   base::WeakPtrFactory<HistoryService> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(HistoryService);
 };
 
 }  // namespace history
 
 #endif  // COMPONENTS_HISTORY_CORE_BROWSER_HISTORY_SERVICE_H_