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

chrome/browser/ui/webui/downloads_util.cc

-// Copyright 2015 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_util.h"
-
-#include "base/command_line.h"
-#include "base/metrics/field_trial.h"
-#include "base/strings/string_util.h"
-#include "chrome/common/channel_info.h"
-#include "chrome/common/chrome_switches.h"
-#include "components/version_info/version_info.h"
-
-const char kMaterialDesignDownloadsFinchTrialName[] = "MaterialDesignDownloads";
-
-bool MdDownloadsEnabled() {
-  // Intentionally call this before checking command line to assign a group.
-  std::string group = base::FieldTrialList::FindFullName(
-      kMaterialDesignDownloadsFinchTrialName);
-
-  base::CommandLine* cl = base::CommandLine::ForCurrentProcess();
-  if (cl->HasSwitch(switches::kEnableMaterialDesignDownloads))
-    return true;
-
-  if (cl->HasSwitch(switches::kDisableMaterialDesignDownloads))
-    return false;
-
-  return base::StartsWith(group, "Enabled",
-                          base::CompareCase::INSENSITIVE_ASCII);
-}