Make DownloadHistory observe manager, items

chrome/browser/history/history.h

Index: chrome/browser/history/history.h
diff --git a/chrome/browser/history/history.h b/chrome/browser/history/history.h
index 69fda8bc97b9ddd6773302bc72290e5b8c5eef6b..68f3a842cf33889eeaf99363d50a271892a71007 100644
--- a/chrome/browser/history/history.h
+++ b/chrome/browser/history/history.h
@@ -479,20 +479,9 @@ class HistoryService : public CancelableRequestProvider,
   // the database with no need for a callback.
   void UpdateDownload(const content::DownloadPersistentStoreInfo& data);
 
-  // Called to update the history service about the path of a download.
-  // This is a 'fire and forget' query.
-  void UpdateDownloadPath(const FilePath& path, int64 db_handle);
-
-  // Permanently remove a download from the history system. This is a 'fire and
-  // forget' operation.
-  void RemoveDownload(int64 db_handle);
-
-  // Permanently removes all completed download from the history system within
-  // the specified range. This function does not delete downloads that are in
-  // progress or in the process of being cancelled. This is a 'fire and forget'
-  // operation. You can pass is_null times to get unbounded time in either or
-  // both directions.
-  void RemoveDownloadsBetween(base::Time remove_begin, base::Time remove_end);
+  // Permanently remove a set of downloads from the history system. This is a
+  // 'fire and forget' operation.
+  void RemoveDownloads(const std::set<int64>& handles);
 
   // Visit Segments ------------------------------------------------------------