Convert //base to use std::unique_ptr

base/task_scheduler/scheduler_lock_impl.h

 // Copyright 2016 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 BASE_TASK_SCHEDULER_SCHEDULER_LOCK_IMPL_H
 #define BASE_TASK_SCHEDULER_SCHEDULER_LOCK_IMPL_H
 
+#include <memory>
+
 #include "base/base_export.h"
 #include "base/macros.h"
-#include "base/memory/scoped_ptr.h"
 #include "base/synchronization/lock.h"
 
 namespace base {
 
 class ConditionVariable;
 
 namespace internal {
 
 // A regular lock with simple deadlock correctness checking.
 // This lock tracks all of the available locks to make sure that any locks are
 // acquired in an expected order.
 // See scheduler_lock.h for details.
 class BASE_EXPORT SchedulerLockImpl {
  public:
   SchedulerLockImpl();
   explicit SchedulerLockImpl(const SchedulerLockImpl* predecessor);
   ~SchedulerLockImpl();
 
   void Acquire();
   void Release();
 
   void AssertAcquired() const;
 
-  scoped_ptr<ConditionVariable> CreateConditionVariable();
+  std::unique_ptr<ConditionVariable> CreateConditionVariable();
 
  private:
   Lock lock_;
 
   DISALLOW_COPY_AND_ASSIGN(SchedulerLockImpl);
 };
 
 }  // namespace internal
 }  // namespace base
 
 #endif  // BASE_TASK_SCHEDULER_SCHEDULER_LOCK_IMPL_H