From 2d25a9287b9fe53e973fcff03295b585a58c71aa Mon Sep 17 00:00:00 2001
From: klzgrad <kizdiv@gmail.com>
Date: Thu, 2 Sep 2021 00:10:05 +0800
Subject: [PATCH] dns: Fix iwyu

---
 src/net/dns/host_cache.cc | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/net/dns/host_cache.cc b/src/net/dns/host_cache.cc
index 4e8d6eea38..8ded2aa5cb 100644
--- a/src/net/dns/host_cache.cc
+++ b/src/net/dns/host_cache.cc
@@ -13,6 +13,7 @@
 #include <unordered_set>
 #include <utility>
 #include <vector>
+#include <unordered_set>
 
 #include "base/bind.h"
 #include "base/check_op.h"