Gets mustash frames looking like that of ash

mash/wm/frame/header_painter.h

-// Copyright 2013 The Chromium Authors. All rights reserved.
+// Copyright 2015 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_FRAME_HEADER_PAINTER_H_
-#define ASH_FRAME_HEADER_PAINTER_H_
-
-#include "ash/ash_export.h"
+#ifndef MASH_WM_FRAME_HEADER_PAINTER_H_
+#define MASH_WM_FRAME_HEADER_PAINTER_H_
 
 namespace gfx {
 class Canvas;
 }
 
-namespace ash {
+namespace mash {
+namespace wm {
 
 // Helper class for painting the window header.
-class ASH_EXPORT HeaderPainter {
+// TODO(sky): keep this only if we're going to actually need different
+// subclasses.
+class HeaderPainter {
  public:
-  enum Mode {
-    MODE_ACTIVE,
-    MODE_INACTIVE
-  };
+  enum Mode { MODE_ACTIVE, MODE_INACTIVE };
 
-  virtual ~HeaderPainter() {
-  }
+  virtual ~HeaderPainter() {}
 
   // Returns the header's minimum width.
   virtual int GetMinimumHeaderWidth() const = 0;
 
   // Paints the header.
   virtual void PaintHeader(gfx::Canvas* canvas, Mode mode) = 0;
 
   // Performs layout for the header.
   virtual void LayoutHeader() = 0;
 
   // Get the height of the header.
   virtual int GetHeaderHeight() const = 0;
 
   // Gets / sets how much of the header is painted. This allows the header to
   // paint under things (like the tabstrip) which have transparent /
   // non-painting sections. This height does not affect LayoutHeader().
   virtual int GetHeaderHeightForPainting() const = 0;
   virtual void SetHeaderHeightForPainting(int height_for_painting) = 0;
 
   // Schedule a re-paint of the entire title.
   virtual void SchedulePaintForTitle() = 0;
 
   // Updates the x inset of the leftmost view in the header.
   virtual void UpdateLeftViewXInset(int left_view_x_inset) = 0;
 };
 
-}  // namespace ash
+}  // namespace wm
+}  // namespace mash
 
-#endif  // ASH_FRAME_HEADER_PAINTER_H_
+#endif  // MASH_WM_FRAME_HEADER_PAINTER_H_