Make the SavePackage use of the fake download item cleaner around cancellation.

content/browser/download/download_manager_impl.cc

Index: content/browser/download/download_manager_impl.cc
diff --git a/content/browser/download/download_manager_impl.cc b/content/browser/download/download_manager_impl.cc
index a8234edc8318748df328e0b202251da4d47909c0..90d54c8d8011f458499dc18cf821d72e1c76e3ae 100644
--- a/content/browser/download/download_manager_impl.cc
+++ b/content/browser/download/download_manager_impl.cc
@@ -1041,11 +1041,6 @@ void DownloadManagerImpl::SavePageDownloadFinished(
   if (download->IsPersisted()) {
     if (delegate_)
       delegate_->UpdateItemInPersistentStore(download);
-    if (download->IsComplete())
-      content::NotificationService::current()->Notify(
-          content::NOTIFICATION_SAVE_PACKAGE_SUCCESSFULLY_FINISHED,
-          content::Source<DownloadManager>(this),
-          content::Details<DownloadItem>(download));
   }
 }