Switch to standard integer types in dbus/.

BUG=138542
TBR=hashimoto@chromium.org

Review URL: https://codereview.chromium.org/1541193002

Cr-Commit-Position: refs/heads/master@{#366617}


CrOS-Libchrome-Original-Commit: 22437c690d92b7440913d190bf5474785ccd73ec
diff --git a/dbus/dbus_statistics.cc b/dbus/dbus_statistics.cc
index 9abec65..e6eb5a2 100644
--- a/dbus/dbus_statistics.cc
+++ b/dbus/dbus_statistics.cc
@@ -7,6 +7,7 @@
 #include <set>
 
 #include "base/logging.h"
+#include "base/macros.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/stl_util.h"
 #include "base/strings/stringprintf.h"