[MacViews] Implemented text context menu

ui/views/controls/textfield/textfield.h

Index: ui/views/controls/textfield/textfield.h
diff --git a/ui/views/controls/textfield/textfield.h b/ui/views/controls/textfield/textfield.h
index ac1f0cf6df1655ae16a3883e072a97249b5b7953..6b778d0e4e7a8ee7d13819e753ef4d8956510e74 100644
--- a/ui/views/controls/textfield/textfield.h
+++ b/ui/views/controls/textfield/textfield.h
@@ -28,6 +28,7 @@
 #include "ui/gfx/text_constants.h"
 #include "ui/views/context_menu_controller.h"
 #include "ui/views/controls/textfield/textfield_model.h"
+#include "ui/views/controls/textfield/views_text_context_menu.h"
 #include "ui/views/drag_controller.h"
 #include "ui/views/view.h"
 
@@ -482,6 +483,8 @@ class VIEWS_EXPORT Textfield : public View,
   std::unique_ptr<ui::SimpleMenuModel> context_menu_contents_;
   std::unique_ptr<views::MenuRunner> context_menu_runner_;
 
+  std::unique_ptr<ViewsTextContextMenu> text_context_menu_;
+
   // Used to bind callback functions to this object.
   base::WeakPtrFactory<Textfield> weak_ptr_factory_;