Porting refactoring changes:...

chrome/common/rand_util.cc

-// Copyright (c) 2006-2008 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 "chrome/common/rand_util.h"
-
-#include <stdlib.h>
-
-#include "base/logging.h"
-
-namespace rand_util {
-
-int RandInt(int min, int max) {
-  return RandIntSecure(min, max);
-}
-
-int RandIntSecure(int min, int max) {
-  unsigned int number;
-  // This code will not work on win2k, which we do not support.
-  errno_t rv = rand_s(&number);
-  DCHECK(rv == 0) << "rand_s failed with error " << rv;
-
-  // From the rand man page, use this instead of just rand() % max, so that the
-  // higher bits are used.
-  return min + static_cast<int>(static_cast<double>(max - min + 1.0) *
-      (number / (UINT_MAX + 1.0)));
-}
-
-}  // namespace rand_util