It is time.

ui/views/controls/button/blue_button.h

-// Copyright 2013 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_BUTTON_BLUE_BUTTON_H_
-#define UI_VIEWS_CONTROLS_BUTTON_BLUE_BUTTON_H_
-
-#include "base/compiler_specific.h"
-#include "ui/views/controls/button/label_button.h"
-
-namespace views {
-
-// A class representing a blue button.
-class VIEWS_EXPORT BlueButton : public LabelButton {
- public:
-  static const char kViewClassName[];
-
-  BlueButton(ButtonListener* listener, const base::string16& text);
-  virtual ~BlueButton();
-
- private:
-  // Overridden from LabelButton:
-  virtual void ResetColorsFromNativeTheme() override;
-  virtual const char* GetClassName() const override;
-  virtual scoped_ptr<LabelButtonBorder> CreateDefaultBorder() const override;
-
-  DISALLOW_COPY_AND_ASSIGN(BlueButton);
-};
-
-}  // namespace views
-
-#endif  // UI_VIEWS_CONTROLS_BUTTON_BLUE_BUTTON_H_