Convert //chrome/browser/metrics from scoped_ptr to std::unique_ptr

chrome/browser/metrics/thread_watcher.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.
 
 // This file defines a WatchDog thread that monitors the responsiveness of other
 // browser threads like UI, IO, DB, FILE and CACHED threads. It also defines
 // ThreadWatcher class which performs health check on threads that would like to
 // be watched. This file also defines ThreadWatcherList class that has list of
 // all active ThreadWatcher objects.
 //
@@ skipping 535 matching lines @@
   content::NotificationRegistrar registrar_;
 
   // This is the last time when woke all thread watchers up.
   base::TimeTicks last_wakeup_time_;
 
   // It is the time interval between wake up calls to thread watchers.
   const base::TimeDelta wakeup_interval_;
 
   // Subscription for receiving callbacks that a URL was opened from the
   // omnibox.
-  scoped_ptr<base::CallbackList<void(OmniboxLog*)>::Subscription>
+  std::unique_ptr<base::CallbackList<void(OmniboxLog*)>::Subscription>
       omnibox_url_opened_subscription_;
 
   DISALLOW_COPY_AND_ASSIGN(ThreadWatcherObserver);
 };
 
 // Class for WatchDogThread and in its Init method, we start watching UI, IO,
 // DB, FILE, CACHED threads.
 class WatchDogThread : public base::Thread {
  public:
   // Constructor.
@@ skipping 88 matching lines @@
   bool IsEnabled() const;
 
  protected:
   // Logs the call stack of given thread_id's janky method. This runs on
   // WatchDogThread. This is overridden in tests to prevent the metrics logging.
   virtual void Alarm(base::PlatformThreadId thread_id);
 
  private:
   // A profiler that periodically samples stack traces. Used to sample jank
   // behavior.
-  scoped_ptr<base::StackSamplingProfiler> sampling_profiler_;
+  std::unique_ptr<base::StackSamplingProfiler> sampling_profiler_;
 
   // We use this factory during creation and starting timer.
   base::WeakPtrFactory<JankTimeBomb> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(JankTimeBomb);
 };
 
 // This is a wrapper class for detecting hangs during shutdown.
 class ShutdownWatcherHelper {
  public:
@@ skipping 11 matching lines @@
   // shutdown_watchdog_ watches for hangs during shutdown.
   base::Watchdog* shutdown_watchdog_;
 
   // The |thread_id_| on which this object is constructed.
   const base::PlatformThreadId thread_id_;
 
   DISALLOW_COPY_AND_ASSIGN(ShutdownWatcherHelper);
 };
 
 #endif  // CHROME_BROWSER_METRICS_THREAD_WATCHER_H_