Eliminate ash::internal namespace

ash/system/tray/tray_item_more.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_SYSTEM_TRAY_TRAY_ITEM_MORE_H_
 #define ASH_SYSTEM_TRAY_TRAY_ITEM_MORE_H_
 
 #include "ash/system/tray/actionable_view.h"
 #include "ui/views/view.h"
 
 namespace views {
 class ImageView;
 class Label;
 class View;
 }
 
 namespace ash {
-
 class SystemTrayItem;
 
-namespace internal {
-
 // A view with a chevron ('>') on the right edge. Clicking on the view brings up
 // the detailed view of the tray-item that owns it.
 class TrayItemMore : public ActionableView {
  public:
   TrayItemMore(SystemTrayItem* owner, bool show_more);
   virtual ~TrayItemMore();
 
   SystemTrayItem* owner() const { return owner_; }
 
   void SetLabel(const base::string16& label);
@@ skipping 18 matching lines @@
   // True if |more_| should be shown.
   bool show_more_;
   views::ImageView* icon_;
   views::Label* label_;
   views::ImageView* more_;
   base::string16 accessible_name_;
 
   DISALLOW_COPY_AND_ASSIGN(TrayItemMore);
 };
 
-}  // namespace internal
 }  // namespace ash
 
 #endif  // ASH_SYSTEM_TRAY_TRAY_ITEM_MORE_H_