convert //courgette to std::unique_ptr

courgette/third_party/bsdiff_create.cc

 /*
   bsdiff.c -- Binary patch generator.
 
   Copyright 2003 Colin Percival
 
   For the terms under which this work may be distributed, please see
   the adjoining file "LICENSE".
 
   ChangeLog:
   2005-05-05 - Use the modified header struct from bspatch.h; use 32-bit
@@ skipping 16 matching lines @@
 */
 
 #include "courgette/third_party/bsdiff.h"
 
 #include <stddef.h>
 #include <stdint.h>
 #include <stdlib.h>
 #include <algorithm>
 
 #include "base/logging.h"
-#include "base/memory/scoped_ptr.h"
 #include "base/strings/string_util.h"
 #include "base/time/time.h"
 
 #include "courgette/crc.h"
 #include "courgette/streams.h"
 #include "courgette/third_party/paged_array.h"
 #include "courgette/third_party/qsufsort.h"
 
 namespace courgette {
 
@@ skipping 250 matching lines @@
           << "  extra bytes: " << extra_bytes_length
           << "\nUncompressed bsdiff patch size "
           << patch_stream->Length() - initial_patch_stream_length
           << "\nEnd bsdiff "
           << (base::Time::Now() - start_bsdiff_time).InSecondsF();
 
   return OK;
 }
 
 }  // namespace courgette