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-rw-r--r--chrome/browser/metrics/histogram_synchronizer.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/chrome/browser/metrics/histogram_synchronizer.h b/chrome/browser/metrics/histogram_synchronizer.h
index 0ef650c..39e0e2a 100644
--- a/chrome/browser/metrics/histogram_synchronizer.h
+++ b/chrome/browser/metrics/histogram_synchronizer.h
@@ -4,6 +4,7 @@
#ifndef CHROME_BROWSER_METRICS_HISTOGRAM_SYNCHRONIZER_H_
#define CHROME_BROWSER_METRICS_HISTOGRAM_SYNCHRONIZER_H_
+#pragma once
#include <string>
#include <vector>