mash: Move SystemTrayDelegate and dependencies to //ash/common

chrome/browser/ui/ash/system_tray_delegate_utils.cc

 // Copyright 2014 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 "chrome/browser/ui/ash/system_tray_delegate_utils.h"
 
-#include "ash/system/tray/system_tray_delegate.h"
+#include "ash/common/system/tray/system_tray_delegate.h"
 #include "base/logging.h"
 #include "chrome/browser/upgrade_detector.h"
 
 void GetUpdateInfo(const UpgradeDetector* detector, ash::UpdateInfo* info) {
   DCHECK(detector);
   DCHECK(info);
   switch (detector->upgrade_notification_stage()) {
     case UpgradeDetector::UPGRADE_ANNOYANCE_CRITICAL:
     case UpgradeDetector::UPGRADE_ANNOYANCE_SEVERE:
       info->severity = ash::UpdateInfo::UPDATE_SEVERE_RED;
       break;
     case UpgradeDetector::UPGRADE_ANNOYANCE_HIGH:
       info->severity = ash::UpdateInfo::UPDATE_HIGH_ORANGE;
       break;
     case UpgradeDetector::UPGRADE_ANNOYANCE_ELEVATED:
       info->severity = ash::UpdateInfo::UPDATE_LOW_GREEN;
       break;
     case UpgradeDetector::UPGRADE_ANNOYANCE_LOW:
     case UpgradeDetector::UPGRADE_ANNOYANCE_NONE:
       info->severity = ash::UpdateInfo::UPDATE_NORMAL;
       break;
   }
   info->update_required = detector->notify_upgrade();
   info->factory_reset_required = detector->is_factory_reset_required();
 }