Index: base/unguessable_token.h |
diff --git a/base/unguessable_token.h b/base/unguessable_token.h |
index 64b1868886f2f0d06c613efa79a1f84ceb7b3c59..b1b3870723340d3dae94bee4f7e98b82efd1c3a3 100644 |
--- a/base/unguessable_token.h |
+++ b/base/unguessable_token.h |
@@ -7,6 +7,7 @@ |
#include <stdint.h> |
#include <string.h> |
+#include <iosfwd> |
#include <tuple> |
#include "base/base_export.h" |
@@ -86,6 +87,9 @@ class BASE_EXPORT UnguessableToken { |
uint64_t low_ = 0; |
}; |
+BASE_EXPORT std::ostream& operator<<(std::ostream& out, |
+ const UnguessableToken& token); |
+ |
// For use in std::unordered_map. |
struct UnguessableTokenHash { |
size_t operator()(const base::UnguessableToken& token) const { |