run iwyu on base!

base/rand_util.cc

 // Copyright (c) 2010 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 "base/rand_util.h"
-
-#include <math.h>
-
+#include <architecture/i386/math.h>
 #include <limits>
 
 #include "base/basictypes.h"
 #include "base/logging.h"
+#include "base/port.h"
+#include "base/rand_util.h"
 
 namespace base {
 
 int RandInt(int min, int max) {
   DCHECK(min <= max);
 
   uint64 range = static_cast<uint64>(max) - min + 1;
   int result = min + static_cast<int>(base::RandGenerator(range));
   DCHECK(result >= min && result <= max);
   return result;
@@ skipping 12 matching lines @@
   DCHECK(result >= 0.0 && result < 1.0);
   return result;
 }
 
 uint64 RandGenerator(uint64 max) {
   DCHECK(max > 0);
   return base::RandUint64() % max;
 }
 
 }  // namespace base