Switch to standard integer types in chrome/.

chrome/common/media_galleries/itunes_library.cc

 // Copyright 2013 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/media_galleries/itunes_library.h"
 
 namespace itunes {
 namespace parser {
 
 Track::Track()
     : id(0) {
 }
 
-Track::Track(uint64 id, const base::FilePath& location)
-    : id(id),
-      location(location) {
-}
+Track::Track(uint64_t id, const base::FilePath& location)
+    : id(id), location(location) {}
 
 bool Track::operator<(const Track& other) const {
   return id < other.id;
 }
 
 }  // namespace parser
 }  // namespace itunes