diff --git a/src/base/files/file_path.cc b/src/base/files/file_path.cc
index 21311466d5..0910514a2d 100644
--- a/src/base/files/file_path.cc
+++ b/src/base/files/file_path.cc
@@ -9,6 +9,7 @@
 
 #include "base/files/file_path.h"
 
+#include <iostream>
 #include <string.h>
 
 #include <algorithm>