Enable download home by default

chrome/browser/ntp_snippets/download_suggestions_provider_unittest.cc

Index: chrome/browser/ntp_snippets/download_suggestions_provider_unittest.cc
diff --git a/chrome/browser/ntp_snippets/download_suggestions_provider_unittest.cc b/chrome/browser/ntp_snippets/download_suggestions_provider_unittest.cc
index 939bbed424eae9f6971b86c1d2a743e8a0b8612c..3afefa76b8b2927de7dfa9cdf662bdfca1ad0f5e 100644
--- a/chrome/browser/ntp_snippets/download_suggestions_provider_unittest.cc
+++ b/chrome/browser/ntp_snippets/download_suggestions_provider_unittest.cc
@@ -285,8 +285,7 @@ class DownloadSuggestionsProviderTest : public testing::Test {
     provider_ = base::MakeUnique<DownloadSuggestionsProvider>(
         &observer_, show_offline_pages ? &offline_pages_model_ : nullptr,
         show_assets ? &downloads_manager_ : nullptr, &download_history_,
-        pref_service(),
-        /*download_manager_ui_enabled=*/false);
+        pref_service());
     return provider_.get();
   }