Require explicit selection of traits for LazyInstance

chrome/browser/chromeos/printing/printers_manager_factory.cc

 // Copyright 2016 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/chromeos/printing/printers_manager_factory.h"
 
 #include <memory>
 #include <utility>
 
 #include "base/debug/dump_without_crashing.h"
 #include "base/memory/ptr_util.h"
 #include "chrome/browser/chromeos/printing/printers_sync_bridge.h"
 #include "chrome/browser/profiles/incognito_helpers.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/sync/profile_sync_service_factory.h"
 #include "components/browser_sync/profile_sync_service.h"
 #include "components/keyed_service/content/browser_context_dependency_manager.h"
 #include "content/public/browser/browser_context.h"
 
 namespace chromeos {
 
 namespace {
 
-base::LazyInstance<PrintersManagerFactory> g_printers_manager =
-    LAZY_INSTANCE_INITIALIZER;
+base::LazyInstance<PrintersManagerFactory>::DestructorAtExit
+    g_printers_manager = LAZY_INSTANCE_INITIALIZER;
 
 }  // namespace
 
 // static
 PrintersManager* PrintersManagerFactory::GetForBrowserContext(
     content::BrowserContext* context) {
   return static_cast<PrintersManager*>(
       GetInstance()->GetServiceForBrowserContext(context, true));
 }
 
@@ skipping 33 matching lines @@
   std::unique_ptr<PrintersSyncBridge> sync_bridge =
       base::MakeUnique<PrintersSyncBridge>(
           store_factory,
           base::BindRepeating(
               base::IgnoreResult(&base::debug::DumpWithoutCrashing)));
 
   return new PrintersManager(profile, std::move(sync_bridge));
 }
 
 }  // namespace chromeos