[Downloads] Allow acquiring dangerous download file.

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 5dc5aa17b59f3220bc75a47090b8335bd226c7f9..37b45554a18b3deba7252873449df903de5e6c0a 100644
--- a/content/browser/download/download_manager_impl.cc
+++ b/content/browser/download/download_manager_impl.cc
@@ -353,7 +353,9 @@ void DownloadManagerImpl::Shutdown() {
       // so the only thing we know after calling this function is that
       // the download was deleted if-and-only-if it was removed
       // from all queues.
-      download->Delete(DownloadItem::DELETE_DUE_TO_BROWSER_SHUTDOWN);
+      download->DiscardDangerousDownload(
+          DownloadItem::DELETE_DUE_TO_BROWSER_SHUTDOWN,
+          DownloadItem::AcquireFileCallback());
     } else if (download->IsPartialDownload()) {
       download->Cancel(false);
     }