Revert [MacViews] Implemented text context menu

ui/views/controls/views_text_services_context_menu_mac.mm

-// 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.
-#include "ui/views/controls/views_text_services_context_menu.h"
-
-#import <Cocoa/Cocoa.h>
-
-#include "base/memory/ptr_util.h"
-#include "ui/base/cocoa/text_services_context_menu.h"
-#include "ui/base/l10n/l10n_util.h"
-#include "ui/base/models/simple_menu_model.h"
-#include "ui/gfx/decorated_text.h"
-#import "ui/gfx/decorated_text_mac.h"
-#include "ui/strings/grit/ui_strings.h"
-#include "ui/views/controls/textfield/textfield.h"
-#include "ui/views/view.h"
-#include "ui/views/widget/widget.h"
-
-namespace views {
-
-namespace {
-
-// This class serves as a bridge to TextServicesContextMenu to add and handle
-// text service items in the context menu. The items include Speech, Look Up
-// and BiDi.
-class ViewsTextServicesContextMenuMac
-    : public ViewsTextServicesContextMenu,
-      public ui::TextServicesContextMenu::Delegate {
- public:
-  ViewsTextServicesContextMenuMac(ui::SimpleMenuModel* menu, Textfield* client)
-      : menu_(this), client_(client) {
-    // The menu index for "Look Up".
-    constexpr int kLookupMenuIndex = 0;
-
-    base::string16 text = GetSelectedText();
-    if (!text.empty()) {
-      menu->InsertItemAt(
-          kLookupMenuIndex, IDS_CONTENT_CONTEXT_LOOK_UP,
-          l10n_util::GetStringFUTF16(IDS_CONTENT_CONTEXT_LOOK_UP, text));
-      menu->InsertSeparatorAt(kLookupMenuIndex + 1, ui::NORMAL_SEPARATOR);
-    }
-    menu_.AppendToContextMenu(menu);
-  }
-
-  ~ViewsTextServicesContextMenuMac() override {}
-
-  // Handler for the "Look Up" menu item.
-  void LookUpInDictionary() {
-    gfx::Point baseline_point;
-    gfx::DecoratedText text;
-    if (client_->GetDecoratedTextAndBaselineFromSelection(&text,
-                                                          &baseline_point)) {
-      Widget* widget = client_->GetWidget();
-      gfx::NativeView view = widget->GetNativeView();
-      views::View::ConvertPointToTarget(client_, widget->GetRootView(),
-                                        &baseline_point);
-
-      NSPoint lookup_point = NSMakePoint(
-          baseline_point.x(), NSHeight([view frame]) - baseline_point.y());
-      [view showDefinitionForAttributedString:
-                gfx::GetAttributedStringFromDecoratedText(text)
-                                      atPoint:lookup_point];
-    }
-  }
-
-  // ViewTextServicesContextMenu:
-  bool HandlesCommandId(int command_id) const override {
-    return command_id == IDS_CONTENT_CONTEXT_LOOK_UP;
-  }
-
-  bool IsCommandIdChecked(int command_id) const override {
-    DCHECK_EQ(IDS_CONTENT_CONTEXT_LOOK_UP, command_id);
-    return false;
-  }
-
-  bool IsCommandIdEnabled(int command_id) const override {
-    DCHECK_EQ(IDS_CONTENT_CONTEXT_LOOK_UP, command_id);
-    return true;
-  }
-
-  void ExecuteCommand(int command_id, int event_flags) override {
-    DCHECK_EQ(IDS_CONTENT_CONTEXT_LOOK_UP, command_id);
-    LookUpInDictionary();
-  }
-
-  bool IsTextDirectionCheckedForTesting(
-      base::i18n::TextDirection direction) const override {
-    return IsTextDirectionChecked(direction);
-  }
-
-  // TextServicesContextMenu::Delegate:
-  base::string16 GetSelectedText() const override {
-    return client_->GetSelectedText();
-  }
-
-  bool IsTextDirectionEnabled(
-      base::i18n::TextDirection direction) const override {
-    return direction != base::i18n::UNKNOWN_DIRECTION;
-  }
-
-  bool IsTextDirectionChecked(
-      base::i18n::TextDirection direction) const override {
-    return direction != base::i18n::UNKNOWN_DIRECTION &&
-           client_->GetTextDirection() == direction;
-  }
-
-  void UpdateTextDirection(base::i18n::TextDirection direction) override {
-    DCHECK_NE(direction, base::i18n::UNKNOWN_DIRECTION);
-
-    base::i18n::TextDirection text_direction =
-        direction == base::i18n::LEFT_TO_RIGHT ? base::i18n::LEFT_TO_RIGHT
-                                               : base::i18n::RIGHT_TO_LEFT;
-    client_->ChangeTextDirectionAndLayoutAlignment(text_direction);
-  }
-
- private:
-  // Appends and handles the text service menu.
-  ui::TextServicesContextMenu menu_;
-
-  // The view associated with the menu. Weak. Owns |this|.
-  Textfield* client_;
-
-  DISALLOW_COPY_AND_ASSIGN(ViewsTextServicesContextMenuMac);
-};
-
-}  // namespace
-
-// static
-std::unique_ptr<ViewsTextServicesContextMenu>
-ViewsTextServicesContextMenu::Create(ui::SimpleMenuModel* menu,
-                                     Textfield* client) {
-  return base::MakeUnique<ViewsTextServicesContextMenuMac>(menu, client);
-}
-
-}  // namespace views