mash: Move //ash/system/date to //ash/common

ash/common/system/date/date_default_view.h

Index: ash/common/system/date/date_default_view.h
diff --git a/ash/system/date/date_default_view.h b/ash/common/system/date/date_default_view.h
similarity index 83%
rename from ash/system/date/date_default_view.h
rename to ash/common/system/date/date_default_view.h
index a2de81cc02ea948e2b7a5fd571b0f3bac61b3bfb..004165e009cba53eba55deeb64c812f6edd46633 100644
--- a/ash/system/date/date_default_view.h
+++ b/ash/common/system/date/date_default_view.h
@@ -2,12 +2,12 @@
 // 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_DEFAULT_VIEW_H_
-#define ASH_SYSTEM_DATE_DATE_DEFAULT_VIEW_H_
+#ifndef ASH_COMMON_SYSTEM_DATE_DATE_DEFAULT_VIEW_H_
+#define ASH_COMMON_SYSTEM_DATE_DATE_DEFAULT_VIEW_H_
 
 #include "ash/ash_export.h"
 #include "ash/common/login_status.h"
-#include "ash/system/chromeos/shutdown_policy_observer.h"
+#include "ash/common/system/chromeos/shutdown_policy_observer.h"
 #include "base/macros.h"
 #include "base/memory/weak_ptr.h"
 #include "ui/views/controls/button/button.h"
@@ -24,7 +24,7 @@ class TrayPopupHeaderButton;
 // shutdown.
 class ASH_EXPORT DateDefaultView : public views::View,
                                    public views::ButtonListener,
-                                   public ash::ShutdownPolicyObserver {
+                                   public ShutdownPolicyObserver {
  public:
   explicit DateDefaultView(LoginStatus login);
 
@@ -55,4 +55,4 @@ class ASH_EXPORT DateDefaultView : public views::View,
 
 }  // namespace ash
 
-#endif  // ASH_SYSTEM_DATE_DATE_DEFAULT_VIEW_H_
+#endif  // ASH_COMMON_SYSTEM_DATE_DATE_DEFAULT_VIEW_H_