Require explicit selection of traits for LazyInstance

chromeos/process_proxy/process_proxy_registry.h

 // Copyright (c) 2012 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 CHROMEOS_PROCESS_PROXY_PROCESS_PROXY_REGISTRY_H_
 #define CHROMEOS_PROCESS_PROXY_PROCESS_PROXY_REGISTRY_H_
 
 #include <map>
 #include <memory>
 #include <string>
@@ skipping 40 matching lines @@
   // Reports terminal resize to process proxy.
   bool OnTerminalResize(int id, int width, int height);
   // Notifies process proxy identified by |id| that previously reported output
   // has been handled.
   void AckOutput(int id);
 
   // Shuts down registry, closing all associated processed.
   void ShutDown();
 
  private:
-  friend struct ::base::DefaultLazyInstanceTraits<ProcessProxyRegistry>;
+  friend struct ::base::LazyInstanceTraitsBase<ProcessProxyRegistry>;
 
   ProcessProxyRegistry();
   ~ProcessProxyRegistry();
 
   // Gets called when output gets detected.
   void OnProcessOutput(int id, ProcessOutputType type, const std::string& data);
 
   bool EnsureWatcherThreadStarted();
 
   // Map of all existing ProcessProxies.
   std::map<int, ProcessProxyInfo> proxy_map_;
 
   std::unique_ptr<base::Thread> watcher_thread_;
 
   DISALLOW_COPY_AND_ASSIGN(ProcessProxyRegistry);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROMEOS_PROCESS_PROXY_PROCESS_PROXY_REGISTRY_H_