[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 bcc3bbc0d58083dbdd891e892a8bd2b9dd277d79..72f14addbd687a28961672a79601b07e652695fb 100644
--- a/ui/views/controls/textfield/textfield.h
+++ b/ui/views/controls/textfield/textfield.h
@@ -38,6 +38,7 @@ namespace views {
 
 class MenuRunner;
 class TextfieldController;
+class ViewsTextServicesContextMenu;
 
 // A views/skia textfield implementation. No platform-specific code is used.
 class VIEWS_EXPORT Textfield : public View,
@@ -270,6 +271,8 @@ class VIEWS_EXPORT Textfield : public View,
   bool GetDecoratedWordAtPoint(const gfx::Point& point,
                                gfx::DecoratedText* decorated_word,
                                gfx::Point* baseline_point) override;
+  bool GetDecoratedTextFromSelection(gfx::DecoratedText* decorated_text,
+                                     gfx::Point* baseline_point) override;
 
   // SelectionControllerDelegate overrides:
   bool HasTextBeingDragged() const override;
@@ -525,6 +528,7 @@ class VIEWS_EXPORT Textfield : public View,
 
   // Context menu related members.
   std::unique_ptr<ui::SimpleMenuModel> context_menu_contents_;
+  std::unique_ptr<ViewsTextServicesContextMenu> text_services_context_menu_;
   std::unique_ptr<views::MenuRunner> context_menu_runner_;
 
   // Used to bind callback functions to this object.