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

chrome/browser/chromeos/settings/shutdown_policy_handler.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 CHROME_BROWSER_CHROMEOS_SETTINGS_SHUTDOWN_POLICY_HANDLER_H_
 #define CHROME_BROWSER_CHROMEOS_SETTINGS_SHUTDOWN_POLICY_HANDLER_H_
 
+#include <memory>
+
 #include "base/callback_forward.h"
 #include "base/macros.h"
-#include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
 #include "chrome/browser/chromeos/settings/cros_settings.h"
 
 namespace chromeos {
 
 // This class observes the device setting |DeviceRebootOnShutdown|. Changes to
 // this policy are communicated to the ShutdownPolicyHandler::Delegate by
 // calling its OnShutdownPolicyChanged method with the new state of the policy.
 class ShutdownPolicyHandler {
  public:
@@ skipping 23 matching lines @@
 
  private:
   void CallDelegate(bool reboot_on_shutdown);
 
   void OnShutdownPolicyChanged();
 
   CrosSettings* cros_settings_;
 
   Delegate* delegate_;
 
-  scoped_ptr<CrosSettings::ObserverSubscription> shutdown_policy_subscription_;
+  std::unique_ptr<CrosSettings::ObserverSubscription>
+      shutdown_policy_subscription_;
 
   base::WeakPtrFactory<ShutdownPolicyHandler> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(ShutdownPolicyHandler);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_SETTINGS_SHUTDOWN_POLICY_HANDLER_H_