Eliminate ash::internal namespace

ash/display/display_error_observer_chromeos.cc

 // Copyright 2013 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/display/display_error_observer_chromeos.h"
 
 #include "ash/system/system_notifier.h"
 #include "grit/ash_resources.h"
 #include "grit/ash_strings.h"
 #include "ui/base/l10n/l10n_util.h"
 #include "ui/base/resource/resource_bundle.h"
 #include "ui/message_center/message_center.h"
 #include "ui/message_center/notification.h"
 #include "ui/message_center/notification_delegate.h"
 #include "ui/message_center/notification_list.h"
 
 using message_center::Notification;
 
 namespace ash {
-namespace internal {
 namespace {
 
 const char kDisplayErrorNotificationId[] = "chrome://settings/display/error";
 
 }  // namespace
 
 DisplayErrorObserver::DisplayErrorObserver() {
 }
 
 DisplayErrorObserver::~DisplayErrorObserver() {
@@ skipping 32 matching lines @@
       message_center::MessageCenter::Get()->GetVisibleNotifications();
   for (message_center::NotificationList::Notifications::const_iterator iter =
            notifications.begin(); iter != notifications.end(); ++iter) {
     if ((*iter)->id() == kDisplayErrorNotificationId)
       return (*iter)->title();
   }
 
   return base::string16();
 }
 
-}  // namespace internal
 }  // namespace ash