Fixed download button is not shown when dangerous file downloaded

fix brave/brave-browser#29651

browser/download/bubble/BUILD.gn

@@ -0,0 +1,24 @@
+# Copyright (c) 2023 The Brave Authors. All rights reserved.
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this file,
+# You can obtain one at https://mozilla.org/MPL/2.0/.
+
+source_set("unit_tests") {
+  testonly = true
+
+  sources = [ "download_display_controller_unittest.cc" ]
+
+  deps = [
+    "//base",
+    "//chrome/browser",
+    "//chrome/test:test_support",
+    "//components/download/public/common:test_support",
+    "//components/offline_items_collection/core",
+    "//components/safe_browsing/core/common",
+    "//content/test:test_support",
+    "//testing/gmock",
+    "//testing/gtest",
+    "//ui/base",
+    "//url",
+  ]
+}