Index: ash/metrics/task_switch_time_tracker.h |
diff --git a/ash/metrics/task_switch_time_tracker.h b/ash/metrics/task_switch_time_tracker.h |
index 77d1182033a60b9b9538bfab2b5d0f8d2401ff0b..7e8b7a9817a49ab022870a79b74fd287b540e2f4 100644 |
--- a/ash/metrics/task_switch_time_tracker.h |
+++ b/ash/metrics/task_switch_time_tracker.h |
@@ -19,7 +19,7 @@ class TickClock; |
namespace ash { |
namespace test { |
-class TaskSwitchTimeTrackerTestAPI; |
+class ASH_EXPORT TaskSwitchTimeTrackerTestAPI; |
} // namespace test |
// Tracks time deltas between task switches and records them in a histogram. |