Require explicit selection of traits for LazyInstance

net/base/network_activity_monitor.h

 // Copyright (c) 2014 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 NET_BASE_NETWORK_ACTIVITY_MONITOR_H_
 #define NET_BASE_NETWORK_ACTIVITY_MONITOR_H_
 
 #include <stdint.h>
 
 #include "base/lazy_instance.h"
@@ skipping 33 matching lines @@
   uint64_t GetBytesSent() const;
 
   base::TimeDelta GetTimeSinceLastReceived() const;
   base::TimeDelta GetTimeSinceLastSent() const;
 
  private:
   friend class test::NetworkActivityMonitorPeer;
 
   NetworkActivityMonitor();
   ~NetworkActivityMonitor();
-  friend struct base::DefaultLazyInstanceTraits<NetworkActivityMonitor>;
+  friend struct base::LazyInstanceTraitsBase<NetworkActivityMonitor>;
 
   // Protects all the following members.
   mutable base::Lock lock_;
 
   uint64_t bytes_received_;
   uint64_t bytes_sent_;
 
   base::TimeTicks last_received_ticks_;
   base::TimeTicks last_sent_ticks_;
 
   DISALLOW_COPY_AND_ASSIGN(NetworkActivityMonitor);
 };
 
 }  // namespace net
 
 #endif  // NET_BASE_NETWORK_ACTIVITY_MONITOR_H_