Eliminate ash::internal namespace

ash/system/date/date_default_view.cc

 // Copyright 2014 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/date/date_default_view.h"
 
 #include "ash/metrics/user_metrics_recorder.h"
 #include "ash/session_state_delegate.h"
 #include "ash/shell.h"
 #include "ash/system/date/date_view.h"
 #include "ash/system/tray/special_popup_row.h"
 #include "ash/system/tray/system_tray_delegate.h"
 #include "ash/system/tray/tray_constants.h"
 #include "ash/system/tray/tray_popup_header_button.h"
 #include "grit/ash_resources.h"
 #include "grit/ash_strings.h"
 #include "ui/base/l10n/l10n_util.h"
 #include "ui/views/border.h"
 #include "ui/views/controls/button/button.h"
 #include "ui/views/layout/fill_layout.h"
 #include "ui/views/view.h"
 
 namespace {
 
 const int kPaddingVertical = 19;
 
 }  // namespace
 
 namespace ash {
-namespace internal {
 
 DateDefaultView::DateDefaultView(ash::user::LoginStatus login)
     : help_(NULL),
       shutdown_(NULL),
       lock_(NULL),
       date_view_(NULL) {
   SetLayoutManager(new views::FillLayout);
 
   date_view_ = new tray::DateView();
   date_view_->SetBorder(views::Border::CreateEmptyBorder(
@@ skipping 70 matching lines @@
     shell->metrics()->RecordUserMetricsAction(ash::UMA_TRAY_SHUT_DOWN);
     tray_delegate->ShutDown();
   } else if (sender == lock_) {
     shell->metrics()->RecordUserMetricsAction(ash::UMA_TRAY_LOCK_SCREEN);
     tray_delegate->RequestLockScreen();
   } else {
     NOTREACHED();
   }
 }
 
-}  // namespace internal
 }  // namespace ash