Fix menu corners: the menu background was being painted as a rect when in fact,

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:
-  explicit RoundRectPainter(SkColor border_color);
+  RoundRectPainter(SkColor border_color, int corner_radius);
   virtual ~RoundRectPainter();
 
   // Painter overrides:
   virtual void Paint(gfx::Canvas* canvas, const gfx::Size& size) OVERRIDE;
 
-  // Creates |path| for the same rectangle Paint() will draw.
-  static void CreateRoundRectPath(const gfx::Rect& bounds, gfx::Path* path);
-
  private:
   const SkColor border_color_;
+  const int corner_radius_;
 
   DISALLOW_COPY_AND_ASSIGN(RoundRectPainter);
 };
 
 }  // namespace views
 
 #endif  // UI_VIEWS_ROUNDED_RECT_PAINTER_H_