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-rw-r--r--base/atomic_ref_count.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/base/atomic_ref_count.h b/base/atomic_ref_count.h
index 076a944..dff4b1f 100644
--- a/base/atomic_ref_count.h
+++ b/base/atomic_ref_count.h
@@ -10,6 +10,7 @@
#ifndef BASE_ATOMIC_REF_COUNT_H_
#define BASE_ATOMIC_REF_COUNT_H_
+#pragma once
#include "base/atomicops.h"
#include "base/third_party/dynamic_annotations/dynamic_annotations.h"