Require explicit selection of traits for LazyInstance

components/autofill/core/common/autofill_clock.h

 // Copyright 2017 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 COMPONENTS_AUTOFILL_CORE_COMMON_AUTOFILL_CLOCK_H_
 #define COMPONENTS_AUTOFILL_CORE_COMMON_AUTOFILL_CLOCK_H_
 
 #include <memory>
 
 #include "base/lazy_instance.h"
 #include "base/macros.h"
 
 namespace base {
 class Clock;
 class Time;
 }  // namespace base
 
 namespace autofill {
 
 // Handles getting the current time for the Autofill feature. Can be injected
 // with a customizable clock to facilitate testing.
 class AutofillClock {
  public:
   // Returns the current time based on |clock_|.
   static base::Time Now();
 
  private:
   friend class TestAutofillClock;
-  friend struct base::DefaultLazyInstanceTraits<AutofillClock>;
+  friend struct base::LazyInstanceTraitsBase<AutofillClock>;
 
   // Resets a normal clock.
   static void SetClock();
 
   // Sets the clock to be used for tests.
   static void SetTestClock(std::unique_ptr<base::Clock> clock);
 
   AutofillClock();
   ~AutofillClock();
 
   // The clock used to return the current time.
   std::unique_ptr<base::Clock> clock_;
 
   DISALLOW_COPY_AND_ASSIGN(AutofillClock);
 };
 
 }  // namespace autofill
 
 #endif  // COMPONENTS_AUTOFILL_CORE_COMMON_AUTOFILL_CLOCK_H_