Convert //base to use std::unique_ptr

base/files/important_file_writer.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_FILES_IMPORTANT_FILE_WRITER_H_
 #define BASE_FILES_IMPORTANT_FILE_WRITER_H_
 
 #include <string>
 
 #include "base/base_export.h"
@@ skipping 64 matching lines @@
   ~ImportantFileWriter();
 
   const FilePath& path() const { return path_; }
 
   // Returns true if there is a scheduled write pending which has not yet
   // been started.
   bool HasPendingWrite() const;
 
   // Save |data| to target filename. Does not block. If there is a pending write
   // scheduled by ScheduleWrite(), it is cancelled.
-  void WriteNow(scoped_ptr<std::string> data);
+  void WriteNow(std::unique_ptr<std::string> data);
 
   // Schedule a save to target filename. Data will be serialized and saved
   // to disk after the commit interval. If another ScheduleWrite is issued
   // before that, only one serialization and write to disk will happen, and
   // the most recent |serializer| will be used. This operation does not block.
   // |serializer| should remain valid through the lifetime of
   // ImportantFileWriter.
   void ScheduleWrite(DataSerializer* serializer);
 
   // Serialize data pending to be saved and execute write on backend thread.
@@ skipping 35 matching lines @@
   const TimeDelta commit_interval_;
 
   WeakPtrFactory<ImportantFileWriter> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(ImportantFileWriter);
 };
 
 }  // namespace base
 
 #endif  // BASE_FILES_IMPORTANT_FILE_WRITER_H_