Clean up header files.

net/cert/internal/name_constraints.cc

 // Copyright 2015 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/cert/internal/name_constraints.h"
 
+#include <limits.h>
+
 #include "base/strings/string_util.h"
 #include "net/cert/internal/verify_name_match.h"
 #include "net/der/input.h"
 #include "net/der/parser.h"
 #include "net/der/tag.h"
 
 namespace net {
 
 namespace {
 
@@ skipping 541 matching lines @@
 
   return false;
 }
 
 int NameConstraints::ConstrainedNameTypes() const {
   return (permitted_subtrees_.present_name_types |
           excluded_subtrees_.present_name_types);
 }
 
 }  // namespace net