mash: Move tray settings and deps to common.

ash/common/system/chromeos/power/dual_role_notification.cc

Index: ash/common/system/chromeos/power/dual_role_notification.cc
diff --git a/ash/system/chromeos/power/dual_role_notification.cc b/ash/common/system/chromeos/power/dual_role_notification.cc
similarity index 96%
rename from ash/system/chromeos/power/dual_role_notification.cc
rename to ash/common/system/chromeos/power/dual_role_notification.cc
index 58e6aec62f844c0de1ef30552cc8bffd713f7da7..1b902784442302a8fe4deebe00e2ebc59723f1ca 100644
--- a/ash/system/chromeos/power/dual_role_notification.cc
+++ b/ash/common/system/chromeos/power/dual_role_notification.cc
@@ -2,14 +2,14 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#include "ash/system/chromeos/power/dual_role_notification.h"
+#include "ash/common/system/chromeos/power/dual_role_notification.h"
 
 #include <set>
 
+#include "ash/common/system/chromeos/power/power_status.h"
+#include "ash/common/system/system_notifier.h"
 #include "ash/common/system/tray/system_tray_delegate.h"
 #include "ash/common/wm_shell.h"
-#include "ash/system/chromeos/power/power_status.h"
-#include "ash/system/system_notifier.h"
 #include "base/strings/utf_string_conversions.h"
 #include "grit/ash_resources.h"
 #include "grit/ash_strings.h"