Eliminate ash::internal namespace

ash/system/date/date_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/date/date_view.h"
 
 #include "ash/shell.h"
 #include "ash/system/tray/system_tray_delegate.h"
 #include "ash/system/tray/tray_constants.h"
 #include "ash/system/tray/tray_utils.h"
 #include "base/i18n/rtl.h"
 #include "base/i18n/time_formatting.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/time/time.h"
 #include "grit/ash_strings.h"
 #include "third_party/icu/source/i18n/unicode/datefmt.h"
 #include "third_party/icu/source/i18n/unicode/dtptngen.h"
 #include "third_party/icu/source/i18n/unicode/smpdtfmt.h"
 #include "ui/base/l10n/l10n_util.h"
 #include "ui/views/border.h"
 #include "ui/views/controls/label.h"
 #include "ui/views/layout/box_layout.h"
 #include "ui/views/layout/grid_layout.h"
 #include "ui/views/widget/widget.h"
 
 namespace ash {
-namespace internal {
 namespace tray {
-
 namespace {
 
 // Amount of slop to add into the timer to make sure we're into the next minute
 // when the timer goes off.
 const int kTimerSlopSeconds = 1;
 
 // Text color of the vertical clock minutes.
 const SkColor kVerticalClockMinuteColor = SkColorSetRGB(0xBA, 0xBA, 0xBA);
 
 // Padding between the left edge of the shelf and the left edge of the vertical
@@ skipping 267 matching lines @@
 }
 
 void TimeView::SetupLabel(views::Label* label) {
   label->set_owned_by_client();
   SetupLabelForTray(label);
   label->SetFontList(label->font_list().DeriveWithStyle(
       label->font_list().GetFontStyle() & ~gfx::Font::BOLD));
 }
 
 }  // namespace tray
-}  // namespace internal
 }  // namespace ash