Rename the aura_shell namespace to ash

ash/wm/workspace/workspace_manager.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_WORKSPACE_MANAGER_H_
 #define ASH_WM_WORKSPACE_MANAGER_H_
 
 #include <vector>
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "base/observer_list.h"
 #include "ash/ash_export.h"
 #include "ui/gfx/insets.h"
 #include "ui/gfx/size.h"
 
 namespace aura {
 class Window;
 }
 
 namespace gfx {
 class Point;
 class Rect;
 }
 
-namespace aura_shell {
+namespace ash {
 namespace internal {
 class Workspace;
 class WorkspaceObserver;
 
 // WorkspaceManager manages multiple workspaces in the desktop.
 class ASH_EXPORT WorkspaceManager {
  public:
   explicit WorkspaceManager(aura::Window* viewport);
   virtual ~WorkspaceManager();
 
@@ skipping 86 matching lines @@
 
   // The window that WorkspaceManager does not set the bounds on.
   aura::Window* ignored_window_;
 
   ObserverList<WorkspaceObserver> observers_;
 
   DISALLOW_COPY_AND_ASSIGN(WorkspaceManager);
 };
 
 }  // namespace internal
-}  // namespace aura_shell
+}  // namespace ash
 
 #endif  // ASH_WM_WORKSPACE_MANAGER_H_