Rename the aura_shell namespace to ash

ash/wm/toplevel_frame_view.cc

 // 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.
 
 #include "ash/wm/toplevel_frame_view.h"
 
 #include "grit/ui_resources.h"
 #include "ui/aura/cursor.h"
 #include "ui/base/animation/throb_animation.h"
 #include "ui/base/hit_test.h"
 #include "ui/base/resource/resource_bundle.h"
 #include "ui/gfx/canvas.h"
 #include "ui/views/controls/button/custom_button.h"
 #include "ui/views/widget/widget.h"
 #include "ui/views/widget/widget_delegate.h"
 
-namespace aura_shell {
+namespace ash {
 namespace internal {
 
 namespace {
 // The thickness of the left, right and bottom edges of the frame.
 const int kFrameBorderThickness = 8;
 const int kFrameOpacity = 50;
 // The color used to fill the frame.
 const SkColor kFrameColor = SkColorSetARGB(kFrameOpacity, 0, 0, 0);
 const int kFrameBorderHiddenOpacity = 0;
 const int kFrameBorderVisibleOpacity = kFrameOpacity;
@@ skipping 449 matching lines @@
     case HTTOPLEFT:
       return aura::kCursorNorthWestResize;
     case HTTOPRIGHT:
       return aura::kCursorNorthEastResize;
     default:
       return aura::kCursorNull;
   }
 }
 
 }  // namespace internal
-}  // namespace aura_shell
+}  // namespace ash