Require explicit selection of traits for LazyInstance

chrome/browser/media_galleries/chromeos/mtp_device_task_helper_map_service.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 "chrome/browser/media_galleries/chromeos/mtp_device_task_helper_map_service.h"
 
 #include "base/logging.h"
 #include "base/stl_util.h"
 #include "chrome/browser/media_galleries/chromeos/mtp_device_task_helper.h"
 #include "content/public/browser/browser_thread.h"
 
 namespace {
 
-base::LazyInstance<MTPDeviceTaskHelperMapService>
+base::LazyInstance<MTPDeviceTaskHelperMapService>::DestructorAtExit
     g_mtp_device_task_helper_map_service = LAZY_INSTANCE_INITIALIZER;
 
 }  // namespace
 
 // static
 MTPDeviceTaskHelperMapService* MTPDeviceTaskHelperMapService::GetInstance() {
   return g_mtp_device_task_helper_map_service.Pointer();
 }
 
 MTPDeviceTaskHelper* MTPDeviceTaskHelperMapService::CreateDeviceTaskHelper(
@@ skipping 40 matching lines @@
     const bool read_only) {
   return (read_only ? "ReadOnly" : "ReadWrite") + std::string("|") +
          storage_name;
 }
 
 MTPDeviceTaskHelperMapService::MTPDeviceTaskHelperMapService() {
 }
 
 MTPDeviceTaskHelperMapService::~MTPDeviceTaskHelperMapService() {
 }