It is time.

ui/views/round_rect_painter.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_ROUNDED_RECT_PAINTER_H_
-#define UI_VIEWS_ROUNDED_RECT_PAINTER_H_
-
-#include "ui/gfx/rect.h"
-#include "ui/views/painter.h"
-#include "ui/views/views_export.h"
-
-namespace gfx {
-class Canvas;
-class Path;
-class Size;
-}
-
-namespace views {
-
-// Painter to draw a border with rounded corners.
-class VIEWS_EXPORT RoundRectPainter : public Painter {
- public:
-  RoundRectPainter(SkColor border_color, int corner_radius);
-  virtual ~RoundRectPainter();
-
-  // Painter:
-  virtual gfx::Size GetMinimumSize() const override;
-  virtual void Paint(gfx::Canvas* canvas, const gfx::Size& size) override;
-
- private:
-  const SkColor border_color_;
-  const int corner_radius_;
-
-  DISALLOW_COPY_AND_ASSIGN(RoundRectPainter);
-};
-
-}  // namespace views
-
-#endif  // UI_VIEWS_ROUNDED_RECT_PAINTER_H_