Eliminate ash::internal namespace

ash/wm/workspace_controller.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 ASH_WM_WORKSPACE_CONTROLLER_H_
 #define ASH_WM_WORKSPACE_CONTROLLER_H_
 
 #include "ash/ash_export.h"
 #include "ash/wm/workspace/workspace_types.h"
 #include "base/basictypes.h"
 #include "base/memory/scoped_ptr.h"
 
 namespace aura {
 class Window;
 }
 
 namespace ash {
-namespace internal {
-
 class ShelfLayoutManager;
 class WorkspaceControllerTestHelper;
 class WorkspaceEventHandler;
 class WorkspaceLayoutManager;
 class WorkspaceLayoutManagerDelegate;
 
 // WorkspaceController acts as a central place that ties together all the
 // various workspace pieces.
 class ASH_EXPORT WorkspaceController {
  public:
@@ skipping 11 matching lines @@
   // Add a delegate which adds a backdrop behind the top window of the default
   // workspace.
   void SetMaximizeBackdropDelegate(
       scoped_ptr<WorkspaceLayoutManagerDelegate> delegate);
 
  private:
   friend class WorkspaceControllerTestHelper;
 
   aura::Window* viewport_;
 
-  internal::ShelfLayoutManager* shelf_;
-  scoped_ptr<internal::WorkspaceEventHandler> event_handler_;
-  internal::WorkspaceLayoutManager* layout_manager_;
+  ShelfLayoutManager* shelf_;
+  scoped_ptr<WorkspaceEventHandler> event_handler_;
+  WorkspaceLayoutManager* layout_manager_;
 
   DISALLOW_COPY_AND_ASSIGN(WorkspaceController);
 };
 
-}  // namespace internal
 }  // namespace ash
 
 #endif  // ASH_WM_WORKSPACE_CONTROLLER_H_