Eliminate ash::internal namespace

ash/system/chromeos/label_tray_view.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/chromeos/label_tray_view.h"
 
 #include "ash/system/tray/hover_highlight_view.h"
 #include "ash/system/tray/tray_constants.h"
 #include "ash/system/tray/view_click_listener.h"
 #include "ui/base/resource/resource_bundle.h"
 #include "ui/gfx/font.h"
 #include "ui/views/border.h"
 #include "ui/views/controls/label.h"
 #include "ui/views/layout/fill_layout.h"
 
 namespace ash {
-namespace internal {
 
 LabelTrayView::LabelTrayView(ViewClickListener* click_listener,
                              int icon_resource_id)
     : click_listener_(click_listener),
       icon_resource_id_(icon_resource_id) {
   SetLayoutManager(new views::FillLayout());
   SetVisible(false);
 }
 
 LabelTrayView::~LabelTrayView() {
@@ skipping 29 matching lines @@
     child->text_label()->SetMultiLine(true);
     child->text_label()->SizeToFit(kTrayNotificationContentsWidth +
                                    kNotificationIconWidth);
   }
   child->text_label()->SetAllowCharacterBreak(true);
   child->SetExpandable(true);
   child->SetVisible(true);
   return child;
 }
 
-}  // namespace internal
 }  // namespace ash