Require explicit selection of traits for LazyInstance

chrome/browser/chromeos/printing/cups_print_job_manager_factory.h

 // 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.
 
 #ifndef CHROME_BROWSER_CHROMEOS_PRINTING_CUPS_PRINT_JOB_MANAGER_FACTORY_H_
 #define CHROME_BROWSER_CHROMEOS_PRINTING_CUPS_PRINT_JOB_MANAGER_FACTORY_H_
 
 #include "base/lazy_instance.h"
 #include "components/keyed_service/content/browser_context_keyed_service_factory.h"
 
 namespace content {
 class BrowserContext;
 }
 
 namespace chromeos {
 
 class CupsPrintJobManager;
 
 class CupsPrintJobManagerFactory : public BrowserContextKeyedServiceFactory {
  public:
   static CupsPrintJobManagerFactory* GetInstance();
   static CupsPrintJobManager* GetForBrowserContext(
       content::BrowserContext* context);
 
  protected:
   content::BrowserContext* GetBrowserContextToUse(
       content::BrowserContext* context) const override;
 
  private:
-  friend struct base::DefaultLazyInstanceTraits<CupsPrintJobManagerFactory>;
+  friend struct base::LazyInstanceTraitsBase<CupsPrintJobManagerFactory>;
 
   CupsPrintJobManagerFactory();
   ~CupsPrintJobManagerFactory() override;
 
   KeyedService* BuildServiceInstanceFor(
       content::BrowserContext* context) const override;
 
   DISALLOW_COPY_AND_ASSIGN(CupsPrintJobManagerFactory);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_PRINTING_CUPS_PRINT_JOB_MANAGER_FACTORY_H_