Change scoped_ptr to std::unique_ptr in //net/disk_cache.

net/disk_cache/simple/simple_index_file_posix.cc

 // Copyright (c) 2013 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.
 
 #include "net/disk_cache/simple/simple_index_file.h"
 
 #include <dirent.h>
 #include <sys/stat.h>
 #include <sys/types.h>
 #include <unistd.h>
 
+#include <memory>
 #include <string>
 
 #include "base/logging.h"
-#include "base/memory/scoped_ptr.h"
 
 namespace disk_cache {
 namespace {
 
 struct DirCloser {
   void operator()(DIR* dir) { closedir(dir); }
 };
 
-typedef scoped_ptr<DIR, DirCloser> ScopedDir;
+typedef std::unique_ptr<DIR, DirCloser> ScopedDir;
 
 }  // namespace
 
 // static
 bool SimpleIndexFile::TraverseCacheDirectory(
     const base::FilePath& cache_path,
     const EntryFileCallback& entry_file_callback) {
   const ScopedDir dir(opendir(cache_path.value().c_str()));
   if (!dir) {
     PLOG(ERROR) << "opendir " << cache_path.value();
     return false;
   }
   dirent entry, *result;
   while (readdir_r(dir.get(), &entry, &result) == 0) {
     if (!result)
       return true;  // The traversal completed successfully.
     const std::string file_name(result->d_name);
     if (file_name == "." || file_name == "..")
       continue;
     const base::FilePath file_path = cache_path.Append(
         base::FilePath(file_name));
     entry_file_callback.Run(file_path);
   }
   PLOG(ERROR) << "readdir_r " << cache_path.value();
   return false;
 }
 
 }  // namespace disk_cache