Index: base/containers/flat_set.h |
diff --git a/base/containers/flat_set.h b/base/containers/flat_set.h |
index 13f44ddd028b16cca31715f464f3850a74199a00..66b77af94800102b5336e5eff832a40d2ebb181b 100644 |
--- a/base/containers/flat_set.h |
+++ b/base/containers/flat_set.h |
@@ -5,6 +5,8 @@ |
#ifndef BASE_CONTAINERS_FLAT_SET_H_ |
#define BASE_CONTAINERS_FLAT_SET_H_ |
+#include <functional> |
+ |
#include "base/containers/flat_tree.h" |
namespace base { |