Revert [MacViews] Implemented text context menu

ui/views/controls/views_text_services_context_menu.h

-// Copyright 2017 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 UI_VIEWS_CONTROLS_TEXTFIELD_VIEWS_TEXT_SERVICES_CONTEXT_MENU_H_
-#define UI_VIEWS_CONTROLS_TEXTFIELD_VIEWS_TEXT_SERVICES_CONTEXT_MENU_H_
-
-#include <memory>
-
-#include "base/i18n/rtl.h"
-
-namespace ui {
-class SimpleMenuModel;
-}
-
-namespace views {
-
-class Textfield;
-
-// This class is used to add and handle text service items in the text context
-// menu.
-class ViewsTextServicesContextMenu {
- public:
-  virtual ~ViewsTextServicesContextMenu() {}
-
-  // Creates a ViewsTextServicesContextMenu object.
-  static std::unique_ptr<ViewsTextServicesContextMenu> Create(
-      ui::SimpleMenuModel* menu,
-      Textfield* textfield);
-
-  // Returns true if the given |command_id| is handled by the menu.
-  virtual bool HandlesCommandId(int command_id) const = 0;
-
-  // Methods associated with SimpleMenuModel::Delegate.
-  virtual bool IsCommandIdChecked(int command_id) const = 0;
-  virtual bool IsCommandIdEnabled(int command_id) const = 0;
-  virtual void ExecuteCommand(int command_id, int event_flags) = 0;
-
-  // Exposed for testing. Returns true if the text direction BiDi submenu
-  // item should be checked.
-  virtual bool IsTextDirectionCheckedForTesting(
-      base::i18n::TextDirection direction) const = 0;
-};
-
-}  // namespace views
-
-#endif  // UI_VIEWS_CONTROLS_TEXTFIELD_VIEWS_TEXT_SERVICES_CONTEXT_MENU_H_