From f3cc72fd2b6910d4d7437f71efce23b501c5b526 Mon Sep 17 00:00:00 2001
From: Lei Zhang <thestig@chromium.org>
Date: Thu, 20 Sep 2018 01:20:45 +0000
Subject: Remove many unneeded STL #includes from headers.

Change-Id: I7010cedee8d17d05b2c37a94d767e6f3a9c48f7d
Reviewed-on: https://pdfium-review.googlesource.com/42790
Reviewed-by: Tom Sepez <tsepez@chromium.org>
Commit-Queue: Lei Zhang <thestig@chromium.org>
---
 third_party/base/optional.h | 1 +
 1 file changed, 1 insertion(+)

(limited to 'third_party')

diff --git a/third_party/base/optional.h b/third_party/base/optional.h
index f92101c19b..81d2ebc5cf 100644
--- a/third_party/base/optional.h
+++ b/third_party/base/optional.h
@@ -6,6 +6,7 @@
 #define PDFIUM_THIRD_PARTY_BASE_OPTIONAL_H_
 
 #include <type_traits>
+#include <utility>
 
 #include "third_party/base/logging.h"
 
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