Revert [MacViews] Implemented text context menu

ui/base/cocoa/text_services_context_menu.h

Index: ui/base/cocoa/text_services_context_menu.h
diff --git a/ui/base/cocoa/text_services_context_menu.h b/ui/base/cocoa/text_services_context_menu.h
deleted file mode 100644
index cbb39c8778bd594d9c1e2f2231263f3336add439..0000000000000000000000000000000000000000
--- a/ui/base/cocoa/text_services_context_menu.h
+++ /dev/null
@@ -1,70 +0,0 @@
-// 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_BASE_COCOA_TEXT_SERVICES_CONTEXT_MENU_H_
-#define UI_BASE_COCOA_TEXT_SERVICES_CONTEXT_MENU_H_
-
-#include "base/i18n/rtl.h"
-#include "base/macros.h"
-#include "base/strings/string16.h"
-#include "ui/base/models/simple_menu_model.h"
-#include "ui/base/ui_base_export.h"
-
-namespace ui {
-
-// This class is used to append and handle the Speech and BiDi submenu for the
-// context menu.
-class UI_BASE_EXPORT TextServicesContextMenu
-    : public SimpleMenuModel::Delegate {
- public:
-  class UI_BASE_EXPORT Delegate {
-   public:
-    // Returns the selected text.
-    virtual base::string16 GetSelectedText() const = 0;
-
-    // Returns true if |direction| should be enabled in the BiDi submenu.
-    virtual bool IsTextDirectionEnabled(
-        base::i18n::TextDirection direction) const = 0;
-
-    // Returns true if |direction| should be checked in the BiDi submenu.
-    virtual bool IsTextDirectionChecked(
-        base::i18n::TextDirection direction) const = 0;
-
-    // Updates the text direction to |direction|.
-    virtual void UpdateTextDirection(base::i18n::TextDirection direction) = 0;
-  };
-
-  explicit TextServicesContextMenu(Delegate* delegate);
-
-  // Methods for speaking.
-  static void SpeakText(const base::string16& text);
-  static void StopSpeaking();
-  static bool IsSpeaking();
-
-  // Appends general items to the context menu.
-  void AppendToContextMenu(SimpleMenuModel* model);
-
-  // Appends items to the context menu applicable to editable content.
-  void AppendEditableItems(SimpleMenuModel* model);
-
-  // SimpleMenuModel::Delegate:
-  bool IsCommandIdChecked(int command_id) const override;
-  bool IsCommandIdEnabled(int command_id) const override;
-  void ExecuteCommand(int command_id, int event_flags) override;
-
- private:
-  // Model for the "Speech" submenu.
-  ui::SimpleMenuModel speech_submenu_model_;
-
-  // Model for the BiDi input submenu.
-  ui::SimpleMenuModel bidi_submenu_model_;
-
-  Delegate* delegate_;  // Weak.
-
-  DISALLOW_COPY_AND_ASSIGN(TextServicesContextMenu);
-};
-
-}  // namespace ui
-
-#endif  // UI_BASE_COCOA_TEXT_SERVICES_CONTEXT_MENU_H_