MacViews: Fix behavior of move and select commands when selection direction changes.

ui/views/controls/textfield/textfield_test_api.h

 // Copyright 2014 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_TEXTFIELD_TEST_API_H_
 #define UI_VIEWS_CONTROLS_TEXTFIELD_TEXTFIELD_TEST_API_H_
 
 #include "base/macros.h"
 #include "ui/views/controls/textfield/textfield.h"
 
 namespace views {
 
 // Helper class to access internal state of Textfield in tests.
 class TextfieldTestApi {
  public:
   explicit TextfieldTestApi(Textfield* textfield);
 
   void UpdateContextMenu();
 
   gfx::RenderText* GetRenderText() const;
 
   void CreateTouchSelectionControllerAndNotifyIt();
 
   void ResetTouchSelectionController();
 
   TextfieldModel* model() const { return textfield_->model_.get(); }
 
+  void ExecuteTextEditCommand(ui::TextEditCommand command) {
+    textfield_->ExecuteTextEditCommand(command);
+  }
+
   ui::MenuModel* context_menu_contents() const {
     return textfield_->context_menu_contents_.get();
   }
 
   ui::TouchEditingControllerDeprecated* touch_selection_controller() const {
     return textfield_->touch_selection_controller_.get();
   }
 
  private:
   Textfield* textfield_;
 
   DISALLOW_COPY_AND_ASSIGN(TextfieldTestApi);
 };
 
 }  // namespace views
 
 #endif  // UI_VIEWS_CONTROLS_TEXTFIELD_TEXTFIELD_TEST_API_H_