MacViewsBrowser: Fix omnibox crash due to failed DCHECK.

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"
 
@@ skipping 15 matching lines @@
   TextfieldModel* model() const { return textfield_->model_.get(); }
 
   ui::MenuModel* context_menu_contents() const {
     return textfield_->context_menu_contents_.get();
   }
 
   ui::TouchEditingControllerDeprecated* touch_selection_controller() const {
     return textfield_->touch_selection_controller_.get();
   }
 
+  ui::TextEditCommand scheduled_text_edit_command() const {
+    return textfield_->scheduled_text_edit_command_;
+  }
+
  private:
   Textfield* textfield_;
 
   DISALLOW_COPY_AND_ASSIGN(TextfieldTestApi);
 };
 
 }  // namespace views
 
 #endif  // UI_VIEWS_CONTROLS_TEXTFIELD_TEXTFIELD_TEST_API_H_