Added dangerous download prompting.

chrome/browser/history/history.cc

 // Copyright (c) 2006-2008 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 history system runs on a background thread so that potentially slow
 // database operations don't delay the browser. This backend processing is
 // represented by HistoryBackend. The HistoryService's job is to dispatch to
 // that thread.
 //
 // Main thread                       History thread
@@ skipping 451 matching lines @@
 
 // Handle updates for a particular download. This is a 'fire and forget'
 // operation, so we don't need to be called back.
 void HistoryService::UpdateDownload(int64 received_bytes,
                                     int32 state,
                                     int64 db_handle) {
   ScheduleAndForget(PRIORITY_NORMAL, &HistoryBackend::UpdateDownload,
                     received_bytes, state, db_handle);
 }
 
+void HistoryService::UpdateDownloadPath(const std::wstring& 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) {
   ScheduleAndForget(PRIORITY_NORMAL,
                     &HistoryBackend::RemoveDownloadsBetween,
                     remove_begin,
@@ skipping 156 matching lines @@
   NotificationService::current()->Notify(type, source, det);
 }
 
 void HistoryService::OnDBLoaded() {
   LOG(INFO) << "History backend finished loading";
   backend_loaded_ = true;
   NotificationService::current()->Notify(NOTIFY_HISTORY_LOADED,
                                          Source<Profile>(profile_),
                                          Details<HistoryService>(this));
 }