Switch to standard integer types in net/.

net/cert/signed_tree_head.h

 // 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.
 
 #ifndef NET_CERT_SIGNED_TREE_HEAD_H_
 #define NET_CERT_SIGNED_TREE_HEAD_H_
 
+#include <stdint.h>
+
 #include <string>
 #include <vector>
 
 #include "base/time/time.h"
 #include "net/base/hash_value.h"
 #include "net/base/net_export.h"
 #include "net/cert/signed_certificate_timestamp.h"
 
 namespace net {
 
@@ skipping 13 matching lines @@
   uint64_t tree_size;
   char sha256_root_hash[kSthRootHashLength];
   DigitallySigned signature;
 };
 
 }  // namespace ct
 
 }  // namespace net
 
 #endif