Updates to Ash material design icons used for TrayImageItem

ash/test/test_system_tray_delegate.cc

 // 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.
 
 #include "ash/test/test_system_tray_delegate.h"
 
 #include <string>
 
 #include "ash/common/login_status.h"
 #include "ash/common/session/session_state_delegate.h"
@@ skipping 73 matching lines @@
     return LoginStatus::LOCKED;
   return login_status_;
 }
 
 bool TestSystemTrayDelegate::IsUserSupervised() const {
   return login_status_ == LoginStatus::SUPERVISED;
 }
 
 void TestSystemTrayDelegate::GetSystemUpdateInfo(UpdateInfo* info) const {
   DCHECK(info);
-  info->severity = UpdateInfo::UPDATE_NORMAL;
+  info->severity = UpdateInfo::UPDATE_NONE;
   info->update_required = g_system_update_required;
   info->factory_reset_required = false;
 }
 
 bool TestSystemTrayDelegate::ShouldShowDisplayNotification() {
   return should_show_display_notification_;
 }
 
 bool TestSystemTrayDelegate::GetSessionStartTime(
     base::TimeTicks* session_start_time) {
@@ skipping 32 matching lines @@
   return nullptr;
 #endif
 }
 
 void TestSystemTrayDelegate::GetCurrentIME(IMEInfo* info) {
   *info = current_ime_;
 }
 
 }  // namespace test
 }  // namespace ash