[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..1c2c5f3f14acf074ef0459007fc0afcba9594ab1 100644
--- a/content/browser/download/download_manager_impl.cc
+++ b/content/browser/download/download_manager_impl.cc
@@ -344,19 +344,7 @@ void DownloadManagerImpl::Shutdown() {
     // associative containers such as sets.
     it++;
 
-    if (download->IsDangerous() && download->IsPartialDownload()) {
-      // The user hasn't accepted it, so we need to remove it
-      // from the disk.  This may or may not result in it being
-      // removed from the DownloadManager queues and deleted
-      // (specifically, DownloadManager::DownloadRemoved only
-      // removes and deletes it if it's known to the history service)
-      // 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);
-    } else if (download->IsPartialDownload()) {
-      download->Cancel(false);
-    }
+    download->Cancel(false);
   }
 
   // At this point, all dangerous downloads have had their files removed