[MacViews] Implemented text context menu

ui/views/controls/views_text_services_context_menu.h

Index: ui/views/controls/views_text_services_context_menu.h
diff --git a/ui/views/controls/views_text_services_context_menu.h b/ui/views/controls/views_text_services_context_menu.h
new file mode 100644
index 0000000000000000000000000000000000000000..b708372643b8770e465aaf2a47c064bc33525810
--- /dev/null
+++ b/ui/views/controls/views_text_services_context_menu.h
@@ -0,0 +1,42 @@
+// Copyright 2016 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 "ui/views/views_export.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 ViewsTextContextMenu 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 void ExecuteCommand(int command_id, int event_flags) = 0;

[tapted, 2016/12/21 11:20:27]

nit: reorder to match 

[spqchan, 2016/12/21 22:00:14]

Done.

+  virtual bool IsCommandIdChecked(int command_id) const = 0;
+  virtual bool IsCommandIdEnabled(int command_id) const = 0;
+};
+
+}  // namespace views
+
+#endif  // UI_VIEWS_CONTROLS_TEXTFIELD_VIEWS_TEXT_SERVICES_CONTEXT_MENU_H_