Require explicit selection of traits for LazyInstance

chromecast/graphics/cast_vsync_settings.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 CHROMECAST_GRAPHICS_CAST_VSYNC_SETTINGS_H_
 #define CHROMECAST_GRAPHICS_CAST_VSYNC_SETTINGS_H_
 
 #include "base/lazy_instance.h"
 #include "base/macros.h"
 #include "base/observer_list.h"
@@ skipping 14 matching lines @@
 
   static CastVSyncSettings* GetInstance();
 
   base::TimeDelta GetVSyncInterval() const;
   void SetVSyncInterval(base::TimeDelta interval);
 
   void AddObserver(Observer* observer);
   void RemoveObserver(Observer* observer);
 
  private:
-  friend struct base::DefaultLazyInstanceTraits<CastVSyncSettings>;
+  friend struct base::LazyInstanceTraitsBase<CastVSyncSettings>;
 
   CastVSyncSettings();
   ~CastVSyncSettings();
 
   base::TimeDelta interval_;
   base::ObserverList<Observer> observers_;
 
   DISALLOW_COPY_AND_ASSIGN(CastVSyncSettings);
 };
 
 }  // namespace chromecast
 
 #endif  // CHROMECAST_GRAPHICS_CAST_VSYNC_SETTINGS_H_