Start removing deprecated Options UI code

chrome/browser/ui/webui/options/options_ui_browsertest.h

-// Copyright (c) 2012 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.
-
-#ifndef CHROME_BROWSER_UI_WEBUI_OPTIONS_OPTIONS_UI_BROWSERTEST_H_
-#define CHROME_BROWSER_UI_WEBUI_OPTIONS_OPTIONS_UI_BROWSERTEST_H_
-
-#include <string>
-
-#include "base/macros.h"
-#include "base/test/scoped_feature_list.h"
-#include "chrome/test/base/in_process_browser_test.h"
-
-namespace content {
-class RenderFrameHost;
-}
-
-namespace options {
-
-class OptionsUIBrowserTest : public InProcessBrowserTest {
- public:
-  OptionsUIBrowserTest();
-
-  void SetUpInProcessBrowserTestFixture() override;
-
-  // Navigate to the Uber/Settings page and block until it has loaded.
-  void NavigateToSettings();
-
-  // Navigate to a certain subpage in the Uber/Settings page and block until it
-  // has loaded.
-  void NavigateToSettingsSubpage(const std::string& sub_page);
-
-  // Navigate to the Settings frame and block until complete.
-  void NavigateToSettingsFrame();
-
-  // Check navbar's existence.
-  void VerifyNavbar();
-
-  // Verify that the page title is correct.
-  // The only guarantee we can make about the title of a settings tab is that
-  // it should contain IDS_SETTINGS_TITLE somewhere.
-  void VerifyTitle();
-
- protected:
-  // Returns the RenderFrameHost associated with the Settings frame inside the
-  // Uber UI page (which must be already loaded).
-  content::RenderFrameHost* GetSettingsFrame();
-
- private:
-  base::test::ScopedFeatureList disable_md_settings_;
-
-  DISALLOW_COPY_AND_ASSIGN(OptionsUIBrowserTest);
-};
-
-}  // namespace options
-
-#endif  // CHROME_BROWSER_UI_WEBUI_OPTIONS_OPTIONS_UI_BROWSERTEST_H_