chromeos: Move files in //ash/common to //ash, part 2

ash/common/frame/header_painter_util.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 ASH_COMMON_FRAME_HEADER_PAINTER_UTIL_H_
-#define ASH_COMMON_FRAME_HEADER_PAINTER_UTIL_H_
-
-#include "ash/ash_export.h"
-#include "base/macros.h"
-
-namespace gfx {
-class FontList;
-class Rect;
-}
-namespace views {
-class View;
-class Widget;
-}
-
-namespace ash {
-
-// Static-only helper class for functionality used accross multiple
-// implementations of HeaderPainter.
-class ASH_EXPORT HeaderPainterUtil {
- public:
-  // Returns the radius of the header's corners when the window is restored.
-  static int GetTopCornerRadiusWhenRestored();
-
-  // Returns the default distance between the left edge of the window and the
-  // leftmost view in the header.
-  static int GetLeftViewXInset();
-
-  // Returns the amount that the frame background is inset from the left edge of
-  // the window.
-  static int GetThemeBackgroundXInset();
-
-  // Returns the bounds for the header's title given the views to the left and
-  // right of the title, and the font used.
-  // |left_view| should be NULL if there is no view to the left of the title.
-  static gfx::Rect GetTitleBounds(const views::View* left_view,
-                                  const views::View* right_view,
-                                  const gfx::FontList& title_font_list);
-
-  // Returns true if the header for |widget| can animate to new visuals when the
-  // widget's activation changes. Returns false if the header should switch to
-  // new visuals instantaneously.
-  static bool CanAnimateActivation(views::Widget* widget);
-
- private:
-  DISALLOW_IMPLICIT_CONSTRUCTORS(HeaderPainterUtil);
-};
-
-}  // namespace ash
-
-#endif  // ASH_COMMON_FRAME_HEADER_PAINTER_UTIL_H_