It is time.

ui/views/examples/label_example.h

-// Copyright (c) 2012 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_EXAMPLES_LABEL_EXAMPLE_H_
-#define UI_VIEWS_EXAMPLES_LABEL_EXAMPLE_H_
-
-#include "base/macros.h"
-#include "ui/views/controls/button/button.h"
-#include "ui/views/controls/combobox/combobox_listener.h"
-#include "ui/views/controls/textfield/textfield_controller.h"
-#include "ui/views/examples/example_base.h"
-
-namespace views {
-
-class Checkbox;
-class GridLayout;
-class Label;
-
-namespace examples {
-
-class ExampleComboboxModel;
-
-class VIEWS_EXAMPLES_EXPORT LabelExample : public ExampleBase,
-                                           public ButtonListener,
-                                           public ComboboxListener,
-                                           public TextfieldController {
- public:
-  LabelExample();
-  virtual ~LabelExample();
-
-  // ExampleBase:
-  virtual void CreateExampleView(View* container) override;
-
-  // ButtonListener:
-  virtual void ButtonPressed(Button* button, const ui::Event& event) override;
-
-  // ComboboxListener:
-  virtual void OnPerformAction(Combobox* combobox) override;
-
-  // TextfieldController:
-  virtual void ContentsChanged(Textfield* sender,
-                               const base::string16& new_contents) override;
-
- private:
-   // Add a customizable label and various controls to modify its presentation.
-   void AddCustomLabel(View* container);
-
-   // Creates and adds a combobox to the layout.
-   Combobox* AddCombobox(GridLayout* layout,
-                         const char* name,
-                         const char** strings,
-                         int count);
-
-  Textfield* textfield_;
-  Combobox* alignment_;
-  Combobox* elide_behavior_;
-  ScopedVector<ExampleComboboxModel> example_combobox_models_;
-  Checkbox* multiline_;
-  Checkbox* shadows_;
-  Label* custom_label_;
-
-  DISALLOW_COPY_AND_ASSIGN(LabelExample);
-};
-
-}  // namespace examples
-}  // namespace views
-
-#endif  // UI_VIEWS_EXAMPLES_LABEL_EXAMPLE_H_