Rename the aura_shell namespace to ash

ash/wm/image_grid.h

 // Copyright (c) 2011 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_WM_IMAGE_GRID_H_
 #define ASH_WM_IMAGE_GRID_H_
 #pragma once
 
 #include "base/basictypes.h"
 #include "base/gtest_prod_util.h"
 #include "base/memory/scoped_ptr.h"
 #include "ash/ash_export.h"
 #include "ui/gfx/compositor/layer.h"
 #include "ui/gfx/compositor/layer_delegate.h"
 #include "ui/gfx/rect.h"
 #include "ui/gfx/size.h"
 
 namespace gfx {
 class Image;
 }  // namespace gfx
 
-namespace aura_shell {
+namespace ash {
 namespace internal {
 
 // An ImageGrid is a 3x3 array of ui::Layers, each containing an image.
 //
 // As the grid is resized, its images fill the requested space:
 // - corner images are not scaled
 // - top and bottom images are scaled horizontally
 // - left and right images are scaled vertically
 // - the center image is scaled in both directions
 //
@@ skipping 167 matching lines @@
   scoped_ptr<ImagePainter> center_painter_;
   scoped_ptr<ImagePainter> right_painter_;
   scoped_ptr<ImagePainter> bottom_left_painter_;
   scoped_ptr<ImagePainter> bottom_painter_;
   scoped_ptr<ImagePainter> bottom_right_painter_;
 
   DISALLOW_COPY_AND_ASSIGN(ImageGrid);
 };
 
 }  // namespace internal
-}  // namespace aura_shell
+}  // namespace ash
 
 #endif  // ASH_WM_IMAGE_GRID_H_