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

chrome/browser/download/download_item.h

Index: chrome/browser/download/download_item.h
diff --git a/chrome/browser/download/download_item.h b/chrome/browser/download/download_item.h
index d0749f265401139efd48c75186eaae3b20d0fe37..1a75470d86cc84f0e4cfb0cfe610804e70d83318 100644
--- a/chrome/browser/download/download_item.h
+++ b/chrome/browser/download/download_item.h
@@ -19,6 +19,7 @@
 #pragma once
 
 #include <string>
+#include <iostream>
 
 #include "base/basictypes.h"
 #include "base/file_path.h"
@@ -33,6 +34,7 @@
 
 class CrxInstaller;
 class DownloadFileManager;
+class DownloadId;
 class DownloadManager;
 struct DownloadCreateInfo;
 struct DownloadHistoryInfo;
@@ -277,6 +279,7 @@ class DownloadItem : public NotificationObserver {
   }
   int64 received_bytes() const { return received_bytes_; }
   int32 id() const { return download_id_; }
+  DownloadId global_id() const;
   base::Time start_time() const { return start_time_; }
   void set_db_handle(int64 handle) { db_handle_ = handle; }
   int64 db_handle() const { return db_handle_; }
@@ -489,5 +492,4 @@ class DownloadItem : public NotificationObserver {
 
   DISALLOW_COPY_AND_ASSIGN(DownloadItem);
 };
-
 #endif  // CHROME_BROWSER_DOWNLOAD_DOWNLOAD_ITEM_H_