Switch to standard integer types in base/.

base/metrics/metrics_hashes.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 "base/metrics/metrics_hashes.h"
 
 #include "base/logging.h"
 #include "base/md5.h"
 #include "base/sys_byteorder.h"
 
 namespace base {
 
 namespace {
 
-// Converts the 8-byte prefix of an MD5 hash into a uint64 value.
+// Converts the 8-byte prefix of an MD5 hash into a uint64_t value.
 inline uint64_t DigestToUInt64(const base::MD5Digest& digest) {
   uint64_t value;
   DCHECK_GE(sizeof(digest.a), sizeof(value));
   memcpy(&value, digest.a, sizeof(value));
   return base::NetToHost64(value);
 }
 
 }  // namespace
 
 uint64_t HashMetricName(const std::string& name) {
   base::MD5Digest digest;
   base::MD5Sum(name.c_str(), name.size(), &digest);
   return DigestToUInt64(digest);
 }
 
 }  // namespace metrics