Replace scoped_ptr with unique_ptr in webrtc/base/

webrtc/base/filerotatingstream.h

 /*
  *  Copyright 2015 The WebRTC Project Authors. All rights reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
 #ifndef WEBRTC_BASE_FILEROTATINGSTREAM_H_
 #define WEBRTC_BASE_FILEROTATINGSTREAM_H_
 
+#include <memory>
 #include <string>
 #include <vector>
 
 #include "webrtc/base/constructormagic.h"
 #include "webrtc/base/stream.h"
 
 namespace rtc {
 
 // FileRotatingStream writes to a file in the directory specified in the
 // constructor. It rotates the files once the current file is full. The
@@ skipping 79 matching lines @@
   // Returns a list of file names in the directory beginning with the prefix.
   std::vector<std::string> GetFilesWithPrefix() const;
   // Private version of GetFilePath.
   std::string GetFilePath(size_t index, size_t num_files) const;
 
   const std::string dir_path_;
   const std::string file_prefix_;
   const Mode mode_;
 
   // FileStream is used to write to the current file.
-  scoped_ptr<FileStream> file_stream_;
+  std::unique_ptr<FileStream> file_stream_;
   // Convenience storage for file names so we don't generate them over and over.
   std::vector<std::string> file_names_;
   size_t max_file_size_;
   size_t current_file_index_;
   // The rotation index indicates the index of the file that will be
   // deleted first on rotation. Indices lower than this index will be rotated.
   size_t rotation_index_;
   // Number of bytes written to current file. We need this because with
   // buffering the file size read from disk might not be accurate.
   size_t current_bytes_written_;
@@ skipping 39 matching lines @@
 
   const size_t max_total_log_size_;
   size_t num_rotations_;
 
   RTC_DISALLOW_COPY_AND_ASSIGN(CallSessionFileRotatingStream);
 };
 
 }  // namespace rtc
 
 #endif  // WEBRTC_BASE_FILEROTATINGSTREAM_H_