Eliminate ash::internal namespace

ash/system/tray/system_tray_bubble.cc

 // 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.
 
 #include "ash/system/tray/system_tray_bubble.h"
 
 #include "ash/shell.h"
 #include "ash/system/tray/system_tray.h"
 #include "ash/system/tray/system_tray_delegate.h"
 #include "ash/system/tray/system_tray_item.h"
@@ skipping 109 matching lines @@
   }
 
  private:
   scoped_ptr<ui::Layer> layer_;
 
   DISALLOW_COPY_AND_ASSIGN(AnimationObserverDeleteLayer);
 };
 
 }  // namespace
 
-namespace internal {
-
 // SystemTrayBubble
 
 SystemTrayBubble::SystemTrayBubble(
     ash::SystemTray* tray,
     const std::vector<ash::SystemTrayItem*>& items,
     BubbleType bubble_type)
     : tray_(tray),
       bubble_view_(NULL),
       items_(items),
       bubble_type_(bubble_type),
@@ skipping 235 matching lines @@
     // For default view, draw bottom border for each item, except the last
     // 2 items, which are the bottom header row and the one just above it.
     bubble_view_->AddChildView(new TrayPopupItemContainer(
         item_views[i], is_default_bubble,
         is_default_bubble && (i < item_views.size() - 2)));
   }
   if (focus_view)
     focus_view->RequestFocus();
 }
 
-}  // namespace internal
 }  // namespace ash