Convert device to std::unique_ptr

device/battery/battery_status_manager_mac.cc

 // Copyright 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.
 
 #include "device/battery/battery_status_manager.h"
 
 #include <CoreFoundation/CoreFoundation.h>
+#include <IOKit/ps/IOPSKeys.h>
 #include <IOKit/ps/IOPowerSources.h>
-#include <IOKit/ps/IOPSKeys.h>
+
+#include <memory>
 #include <vector>
 
 #include "base/mac/foundation_util.h"
 #include "base/mac/scoped_cftyperef.h"
 #include "base/macros.h"
-#include "base/memory/scoped_ptr.h"
 #include "base/metrics/histogram.h"
 #include "base/time/time.h"
 
 namespace device {
 
 namespace {
 
 typedef BatteryStatusService::BatteryUpdateCallback BatteryCallback;
 
 // Returns the value corresponding to |key| in the dictionary |description|.
@@ skipping 194 matching lines @@
   bool StartListeningBatteryChange() override {
     notifier_->Start();
     return true;
   }
 
   void StopListeningBatteryChange() override {
     notifier_->Stop();
   }
 
  private:
-  scoped_ptr<BatteryStatusObserver> notifier_;
+  std::unique_ptr<BatteryStatusObserver> notifier_;
 
   DISALLOW_COPY_AND_ASSIGN(BatteryStatusManagerMac);
 };
 
 } // end namespace
 
 // static
-scoped_ptr<BatteryStatusManager> BatteryStatusManager::Create(
+std::unique_ptr<BatteryStatusManager> BatteryStatusManager::Create(
     const BatteryStatusService::BatteryUpdateCallback& callback) {
-  return scoped_ptr<BatteryStatusManager>(
+  return std::unique_ptr<BatteryStatusManager>(
       new BatteryStatusManagerMac(callback));
 }
 
 }  // namespace device