MacViews: Use Cocoa folder icons in tree views.

ui/gfx/image/image_skia_operations.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_GFX_IMAGE_IMAGE_SKIA_OPERATIONS_H_
 #define UI_GFX_IMAGE_IMAGE_SKIA_OPERATIONS_H_
 
 #include "skia/ext/image_operations.h"
 #include "ui/gfx/color_utils.h"
 #include "ui/gfx/gfx_export.h"
@@ skipping 75 matching lines @@
   // Creates an image with drop shadow defined in |shadows| for |source|.
   static ImageSkia CreateImageWithDropShadow(const ImageSkia& source,
                                              const ShadowValues& shadows);
 
   // Creates an image which is a rotation of the |source|. |rotation| is the
   // amount of clockwise rotation in degrees.
   static ImageSkia CreateRotatedImage(
       const ImageSkia& source,
       SkBitmapOperations::RotationAmount rotation);
 
+  // Creates an image which is a mirror of the |source|.
+  static ImageSkia CreateMirroredImage(const ImageSkia& source);
+
  private:
   ImageSkiaOperations();  // Class for scoping only.
 };
 
 }  // namespace gfx
 
 #endif  // UI_GFX_IMAGE_IMAGE_SKIA_OPERATIONS_H_