Make DownloadHistory observe manager, items

chrome/browser/history/history.cc

Index: chrome/browser/history/history.cc
diff --git a/chrome/browser/history/history.cc b/chrome/browser/history/history.cc
index 648de2963dd020abb15ab4cbc4f21a08d057b0e6..35abafb00465a4fbeb677eeb9ec5a64e583350b7 100644
--- a/chrome/browser/history/history.cc
+++ b/chrome/browser/history/history.cc
@@ -609,23 +609,9 @@ void HistoryService::UpdateDownload(
   ScheduleAndForget(PRIORITY_NORMAL, &HistoryBackend::UpdateDownload, data);
 }
 
-void HistoryService::UpdateDownloadPath(const FilePath& path,
-                                        int64 db_handle) {
-  ScheduleAndForget(PRIORITY_NORMAL, &HistoryBackend::UpdateDownloadPath,
-                    path, db_handle);
-}
-
-void HistoryService::RemoveDownload(int64 db_handle) {
-  ScheduleAndForget(PRIORITY_NORMAL,
-                    &HistoryBackend::RemoveDownload, db_handle);
-}
-
-void HistoryService::RemoveDownloadsBetween(Time remove_begin,
-                                            Time remove_end) {
+void HistoryService::RemoveDownloads(const std::set<int64>& handles) {
   ScheduleAndForget(PRIORITY_NORMAL,
-                    &HistoryBackend::RemoveDownloadsBetween,
-                    remove_begin,
-                    remove_end);
+                    &HistoryBackend::RemoveDownloads, handles);
 }
 
 HistoryService::Handle HistoryService::QueryHistory(