Persist download interrupt reason, both target and current paths, and url_chain.

content/public/browser/download_manager_delegate.h

Index: content/public/browser/download_manager_delegate.h
diff --git a/content/public/browser/download_manager_delegate.h b/content/public/browser/download_manager_delegate.h
index 27269f21eadf944cb78f803b4bdfbb9cc2d9c4ec..08ab1e408a3a37b38182a327bef365f2f6a89ff4 100644
--- a/content/public/browser/download_manager_delegate.h
+++ b/content/public/browser/download_manager_delegate.h
@@ -112,11 +112,12 @@ class CONTENT_EXPORT DownloadManagerDelegate {
   // to select the row in the database table to update.
   virtual void UpdateItemInPersistentStore(DownloadItem* item) {}
 
-  // Notifies the delegate that path for the download item has changed, so that
+  // Notifies the delegate that paths for the download item has changed, so that
   // it can update its persistent store.
   virtual void UpdatePathForItemInPersistentStore(
       DownloadItem* item,
-      const FilePath& new_path) {}
+      const FilePath& target_path,
+      const FilePath& current_path) {}
 
   // Notifies the delegate that it should remove the download item from its
   // persistent store.