Convert //components/[f-n]* from scoped_ptr to std::unique_ptr

components/keyed_service/core/keyed_service_shutdown_notifier.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 COMPONENTS_KEYED_SERVICE_CORE_KEYED_SERVICE_SHUTDOWN_NOTIFIER_H_
 #define COMPONENTS_KEYED_SERVICE_CORE_KEYED_SERVICE_SHUTDOWN_NOTIFIER_H_
 
+#include <memory>
+
 #include "base/callback_list.h"
 #include "base/macros.h"
-#include "base/memory/scoped_ptr.h"
 #include "components/keyed_service/core/keyed_service.h"
 
 // This is a helper class for objects that depend on one or more keyed services,
 // but which cannot be keyed services themselves, for example because they don't
 // correspond 1:1 to a context, or because they have a different lifetime.
 //
 // To use this class, add a factory class and declare the dependencies there.
 // This class (being a KeyedService itself) will be shut down before its
 // dependencies and notify its observers.
 class KEYED_SERVICE_EXPORT KeyedServiceShutdownNotifier : public KeyedService {
  public:
   using Subscription = base::CallbackList<void()>::Subscription;
 
   KeyedServiceShutdownNotifier();
   ~KeyedServiceShutdownNotifier() override;
 
   // Subscribe for a notification when the keyed services this object depends on
   // (as defined by its factory) are shut down. The subscription object can be
   // destroyed to unsubscribe.
-  scoped_ptr<Subscription> Subscribe(const base::Closure& callback);
+  std::unique_ptr<Subscription> Subscribe(const base::Closure& callback);
 
  private:
   // KeyedService implementation:
   void Shutdown() override;
 
   base::CallbackList<void()> callback_list_;
 
   DISALLOW_COPY_AND_ASSIGN(KeyedServiceShutdownNotifier);
 };
 
 #endif  // COMPONENTS_KEYED_SERVICE_CORE_KEYED_SERVICE_SHUTDOWN_NOTIFIER_H_