Revert "chromeos: Move files in //ash/common to //ash, part 1"

ash/common/system/date/date_view.h

 // 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.
 
-#ifndef ASH_SYSTEM_DATE_DATE_VIEW_H_
-#define ASH_SYSTEM_DATE_DATE_VIEW_H_
+#ifndef ASH_COMMON_SYSTEM_DATE_DATE_VIEW_H_
+#define ASH_COMMON_SYSTEM_DATE_DATE_VIEW_H_
 
 #include <memory>
 
 #include "ash/ash_export.h"
-#include "ash/system/date/tray_date.h"
-#include "ash/system/tray/actionable_view.h"
+#include "ash/common/system/date/tray_date.h"
+#include "ash/common/system/tray/actionable_view.h"
 #include "base/i18n/time_formatting.h"
 #include "base/macros.h"
 #include "base/timer/timer.h"
 #include "ui/views/view.h"
 
 namespace base {
 class Time;
 }
 
 namespace views {
@@ skipping 125 matching lines @@
   // The time label is split into two lines for the vertical shelf.
   std::unique_ptr<views::Label> vertical_label_hours_;
   std::unique_ptr<views::Label> vertical_label_minutes_;
 
   DISALLOW_COPY_AND_ASSIGN(TimeView);
 };
 
 }  // namespace tray
 }  // namespace ash
 
-#endif  // ASH_SYSTEM_DATE_DATE_VIEW_H_
+#endif  // ASH_COMMON_SYSTEM_DATE_DATE_VIEW_H_