Revert of MD Settings: enable by default in client

chrome/browser/ui/webui/options/language_options_interactive_uitest.cc

 // Copyright 2014 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 "base/macros.h"
-#include "base/test/scoped_feature_list.h"
 #include "build/build_config.h"
 #include "chrome/browser/chrome_notification_types.h"
 #include "chrome/browser/ui/browser_window.h"
 #include "chrome/browser/ui/chrome_pages.h"
 #include "chrome/browser/ui/tabs/tab_strip_model.h"
-#include "chrome/common/chrome_features.h"
 #include "chrome/common/pref_names.h"
 #include "chrome/common/url_constants.h"
 #include "chrome/test/base/in_process_browser_test.h"
 #include "chrome/test/base/interactive_test_utils.h"
 #include "chrome/test/base/ui_test_utils.h"
 #include "components/prefs/pref_service.h"
 #include "content/public/browser/render_frame_host.h"
 #include "content/public/browser/web_contents.h"
 #include "content/public/test/browser_test_utils.h"
 
 namespace language_options_ui_test {
 
 namespace {
 
 // This class will test the language options settings.
 // This test is part of the interactive_ui_tests isntead of browser_tests
 // because it is necessary to emulate pushing a button in order to properly
 // test accessibility.
 class LanguageOptionsWebUITest : public InProcessBrowserTest {
  public:
   LanguageOptionsWebUITest() {}
 
-  void SetUpInProcessBrowserTestFixture() override {
-    disable_md_settings_.InitAndDisableFeature(
-        features::kMaterialDesignSettings);
-  }
-
   // This method will navigate to the language settings page and show
   // a subset of languages from the list of available languages.
   void SetUpOnMainThread() override {
 #if defined(OS_CHROMEOS)
     auto* setting_name = prefs::kLanguagePreferredLanguages;
 #else
     auto* setting_name = prefs::kAcceptLanguages;
 #endif
 
     const GURL url = chrome::GetSettingsUrl(chrome::kLanguageOptionsSubPage);
@@ skipping 34 matching lines @@
         key_code,
         false,
         false,
         false,
         false,
         content::NOTIFICATION_FOCUS_CHANGED_IN_PAGE,
         content::Source<content::RenderViewHost>(GetRenderViewHost()));
   }
 
  private:
-  base::test::ScopedFeatureList disable_md_settings_;
-
   DISALLOW_COPY_AND_ASSIGN(LanguageOptionsWebUITest);
 };
 
 }  // namespace
 
 // This test will verify that the appropriate languages are available.
 // This test will also fail if the language page is not loaded because a random
 // page will not have the language list.
 // Test assumes that the default active element is the list of languages.
 IN_PROC_BROWSER_TEST_F(LanguageOptionsWebUITest, TestAvailableLanguages) {
@@ skipping 51 matching lines @@
   // Make sure that the element is now the button that is next in the tab order.
   // Checking that the list is no longer selected is not sufficient to validate
   // this use case because this test should fail if an item inside the list is
   // selected.
   std::string new_id = GetActiveElementId();
   EXPECT_EQ("language-options-add-button", new_id);
 }
 
 }  // namespace language_options_ui_test