mash: Move tray settings and deps to common.

ash/system/system_notifier.h

-// Copyright 2013 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_SYSTEM_NOTIFIER_H_
-#define ASH_SYSTEM_SYSTEM_NOTIFIER_H_
-
-#include <string>
-
-#include "ash/ash_export.h"
-#include "ui/message_center/notifier_settings.h"
-
-namespace ash {
-namespace system_notifier {
-
-// The list of ash system notifier IDs. Alphabetical order.
-ASH_EXPORT extern const char kNotifierBattery[];
-ASH_EXPORT extern const char kNotifierBluetooth[];
-ASH_EXPORT extern const char kNotifierDeprecatedAccelerator[];
-ASH_EXPORT extern const char kNotifierDisplay[];
-ASH_EXPORT extern const char kNotifierDisplayResolutionChange[];
-ASH_EXPORT extern const char kNotifierDisplayError[];
-ASH_EXPORT extern const char kNotifierDualRole[];
-ASH_EXPORT extern const char kNotifierHats[];
-ASH_EXPORT extern const char kNotifierLocale[];
-ASH_EXPORT extern const char kNotifierMultiProfileFirstRun[];
-ASH_EXPORT extern const char kNotifierNetwork[];
-ASH_EXPORT extern const char kNotifierNetworkError[];
-ASH_EXPORT extern const char kNotifierNetworkPortalDetector[];
-ASH_EXPORT extern const char kNotifierPower[];
-ASH_EXPORT extern const char kNotifierScreenshot[];
-ASH_EXPORT extern const char kNotifierScreenCapture[];
-ASH_EXPORT extern const char kNotifierScreenShare[];
-ASH_EXPORT extern const char kNotifierSessionLengthTimeout[];
-ASH_EXPORT extern const char kNotifierSupervisedUser[];
-ASH_EXPORT extern const char kNotifierWebUsb[];
-
-// Returns true if notifications from |notifier_id| should always appear as
-// popups. "Always appear" means the popups should appear even in login screen,
-// lock screen, or fullscreen state.
-ASH_EXPORT bool ShouldAlwaysShowPopups(
-    const message_center::NotifierId& notifier_id);
-
-// Returns true if |notifier_id| is the system notifier from Ash.
-ASH_EXPORT bool IsAshSystemNotifier(
-    const message_center::NotifierId& notifier_id);
-
-}  // namespace system_notifier
-}  // namespace ash
-
-#endif  // ASH_SYSTEM_SYSTEM_NOTIFIER_H_