sql::MetaTable.next_download_id, DownloadManager::GetNextId()

chrome/browser/history/history_marshaling.h

Index: chrome/browser/history/history_marshaling.h
diff --git a/chrome/browser/history/history_marshaling.h b/chrome/browser/history/history_marshaling.h
index f0f1073e2b491dc1cfd8a49cb5776b29ba42eb8a..845ea9c825e4e46efa1f5830379824fd3a5f8354 100644
--- a/chrome/browser/history/history_marshaling.h
+++ b/chrome/browser/history/history_marshaling.h
@@ -55,6 +55,11 @@ typedef CancelableRequest<FaviconService::FaviconDataCallback>
 
 // Downloads ------------------------------------------------------------------
 
+typedef CancelableRequest1<HistoryService::DownloadNextIdCallback,
+                           int/*next_id*/>
+    DownloadNextIdRequest;
+
+
 typedef CancelableRequest1<HistoryService::DownloadQueryCallback,
                            std::vector<DownloadPersistentStoreInfo> >
     DownloadQueryRequest;