diff --git a/base/trace_event/trace_event_memory_overhead.h b/base/trace_event/trace_event_memory_overhead.h
index 69468d4..3f5b786 100644
--- a/chromium/base/trace_event/trace_event_memory_overhead.h
+++ b/chromium/base/trace_event/trace_event_memory_overhead.h
@@ -9,6 +9,7 @@
 #include <stdint.h>
 
 #include <unordered_map>
+#include <string>
 
 #include "base/base_export.h"
 #include "base/macros.h"