Convert //base to use std::unique_ptr

base/mac/scoped_launch_data.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.
 
 #ifndef BASE_MAC_SCOPED_LAUNCH_DATA_H_
 #define BASE_MAC_SCOPED_LAUNCH_DATA_H_
 
 #include <launch.h>
 
 #include "base/scoped_generic.h"
 
 namespace base {
 namespace mac {
 
 namespace internal {
 
 struct ScopedLaunchDataTraits {
   static launch_data_t InvalidValue() { return nullptr; }
   static void Free(launch_data_t ldt) { launch_data_free(ldt); }
 };
 
 }  // namespace internal
 
-// Just like scoped_ptr<> but for launch_data_t.
+// Just like std::unique_ptr<> but for launch_data_t.
 using ScopedLaunchData =
     ScopedGeneric<launch_data_t, internal::ScopedLaunchDataTraits>;
 
 }  // namespace mac
 }  // namespace base
 
 #endif  // BASE_MAC_SCOPED_LAUNCH_DATA_H_