Remove old downloads UI; Material Design version is now the default.

chrome/browser/ui/webui/downloads_ui_browsertest.cc

-// Copyright 2013 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "chrome/browser/ui/webui/downloads_ui_browsertest.h"
-
-#include "base/command_line.h"
-#include "chrome/browser/profiles/profile.h"
-#include "chrome/browser/ui/browser.h"
-#include "chrome/browser/ui/webui/downloads_util.h"
-#include "chrome/common/chrome_switches.h"
-#include "chrome/common/pref_names.h"
-#include "components/prefs/pref_service.h"
-#include "content/public/test/test_utils.h"
-
-DownloadsUIBrowserTest::DownloadsUIBrowserTest() {}
-
-DownloadsUIBrowserTest::~DownloadsUIBrowserTest() {}
-
-void DownloadsUIBrowserTest::SetUpCommandLine(
-    base::CommandLine* command_line) {
-  WebUIBrowserTest::SetUpCommandLine(command_line);
-  command_line->AppendSwitch(switches::kDisableMaterialDesignDownloads);
-  ASSERT_FALSE(MdDownloadsEnabled());
-}
-
-void DownloadsUIBrowserTest::SetDeleteAllowed(bool allowed) {
-  browser()->profile()->GetPrefs()->
-      SetBoolean(prefs::kAllowDeletingBrowserHistory, allowed);
-}