Convert //sandbox to use std::unique_ptr

sandbox/linux/services/proc_util.cc

 // Copyright 2014 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 "sandbox/linux/services/proc_util.h"
 
 #include <dirent.h>
 #include <errno.h>
 #include <fcntl.h>
 #include <string.h>
 #include <sys/stat.h>
 #include <sys/types.h>
 
+#include <memory>
+
 #include "base/logging.h"
-#include "base/memory/scoped_ptr.h"
 #include "base/posix/eintr_wrapper.h"
 #include "base/strings/string_number_conversions.h"
 
 namespace sandbox {
 namespace {
 
 struct DIRCloser {
   void operator()(DIR* d) const {
     DCHECK(d);
     PCHECK(0 == closedir(d));
   }
 };
 
-typedef scoped_ptr<DIR, DIRCloser> ScopedDIR;
+typedef std::unique_ptr<DIR, DIRCloser> ScopedDIR;
 
 base::ScopedFD OpenDirectory(const char* path) {
   DCHECK(path);
   base::ScopedFD directory_fd(
       HANDLE_EINTR(open(path, O_RDONLY | O_DIRECTORY | O_CLOEXEC)));
   PCHECK(directory_fd.is_valid());
   return directory_fd;
 }
 
 }  // namespace
@@ skipping 70 matching lines @@
       HANDLE_EINTR(open("/proc/", O_DIRECTORY | O_RDONLY | O_CLOEXEC)));
   return HasOpenDirectory(proc_fd.get());
 }
 
 // static
 base::ScopedFD ProcUtil::OpenProc() {
   return OpenDirectory("/proc/");
 }
 
 }  // namespace sandbox