Switch to standard integer types in chrome/browser/chromeos/.

BUG=138542
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Review URL: https://codereview.chromium.org/1547093002

Cr-Commit-Position: refs/heads/master@{#366838}
diff --git a/chrome/browser/chromeos/settings/cros_settings.h b/chrome/browser/chromeos/settings/cros_settings.h
index 366e15c..569eb3f 100644
--- a/chrome/browser/chromeos/settings/cros_settings.h
+++ b/chrome/browser/chromeos/settings/cros_settings.h
@@ -11,6 +11,7 @@
 #include "base/callback_forward.h"
 #include "base/callback_list.h"
 #include "base/containers/hash_tables.h"
+#include "base/macros.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/threading/non_thread_safe.h"
 #include "chromeos/settings/cros_settings_names.h"