Require explicit selection of traits for LazyInstance

chrome/browser/task_manager/sampling/task_manager_impl.h

 // Copyright 2015 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_TASK_MANAGER_SAMPLING_TASK_MANAGER_IMPL_H_
 #define CHROME_BROWSER_TASK_MANAGER_SAMPLING_TASK_MANAGER_IMPL_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 88 matching lines @@
 
   // content::GpuDataManagerObserver:
   void OnVideoMemoryUsageStatsUpdate(
       const gpu::VideoMemoryUsageStats& gpu_memory_stats) override;
 
   // The notification method on the UI thread when multiple bytes are read
   // from URLRequests. This will be called by the |io_thread_helper_|
   static void OnMultipleBytesReadUI(std::vector<BytesReadParam>* params);
 
  private:
-  friend struct base::DefaultLazyInstanceTraits<TaskManagerImpl>;
+  friend struct base::LazyInstanceTraitsBase<TaskManagerImpl>;
 
   TaskManagerImpl();
 
   // task_manager::TaskManagerInterface:
   void Refresh() override;
   void StartUpdating() override;
   void StopUpdating() override;
 
   // Lookup a task by its pid, child_id and possibly route_id.
   Task* GetTaskByPidOrRoute(int pid, int child_id, int route_id) const;
@@ skipping 49 matching lines @@
   // This will be set to true while there are observers and the task manager is
   // running.
   bool is_running_;
 
   DISALLOW_COPY_AND_ASSIGN(TaskManagerImpl);
 };
 
 }  // namespace task_manager
 
 #endif  // CHROME_BROWSER_TASK_MANAGER_SAMPLING_TASK_MANAGER_IMPL_H_