ash: Use system tray mojo interface to show system update tray icon

chrome/browser/ui/ash/system_tray_delegate_utils.cc

Index: chrome/browser/ui/ash/system_tray_delegate_utils.cc
diff --git a/chrome/browser/ui/ash/system_tray_delegate_utils.cc b/chrome/browser/ui/ash/system_tray_delegate_utils.cc
deleted file mode 100644
index 470dc685b406468461df2d45ec1f9eb001a6a533..0000000000000000000000000000000000000000
--- a/chrome/browser/ui/ash/system_tray_delegate_utils.cc
+++ /dev/null
@@ -1,36 +0,0 @@
-// 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/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:
-      info->severity = ash::UpdateInfo::UPDATE_CRITICAL;
-      break;
-    case UpgradeDetector::UPGRADE_ANNOYANCE_SEVERE:
-      info->severity = ash::UpdateInfo::UPDATE_SEVERE;
-      break;
-    case UpgradeDetector::UPGRADE_ANNOYANCE_HIGH:
-      info->severity = ash::UpdateInfo::UPDATE_HIGH;
-      break;
-    case UpgradeDetector::UPGRADE_ANNOYANCE_ELEVATED:
-      info->severity = ash::UpdateInfo::UPDATE_ELEVATED;
-      break;
-    case UpgradeDetector::UPGRADE_ANNOYANCE_LOW:
-      info->severity = ash::UpdateInfo::UPDATE_LOW;
-      break;
-    case UpgradeDetector::UPGRADE_ANNOYANCE_NONE:
-      info->severity = ash::UpdateInfo::UPDATE_NONE;
-      break;
-  }
-  info->update_required = detector->notify_upgrade();
-  info->factory_reset_required = detector->is_factory_reset_required();
-}