Index: components/metrics/metrics_service.h |
diff --git a/components/metrics/metrics_service.h b/components/metrics/metrics_service.h |
index af1324cbfbf8f548ff83d3a4654fd8980b54f5b7..54993261ee14be591a99570b2b4112c59d384052 100644 |
--- a/components/metrics/metrics_service.h |
+++ b/components/metrics/metrics_service.h |
@@ -474,7 +474,7 @@ class MetricsService : public base::HistogramFlattener { |
SyntheticTrialGroups synthetic_trial_groups_; |
// List of observers of |synthetic_trial_groups_| changes. |
- ObserverList<SyntheticTrialObserver> synthetic_trial_observer_list_; |
+ base::ObserverList<SyntheticTrialObserver> synthetic_trial_observer_list_; |
// Execution phase the browser is in. |
static ExecutionPhase execution_phase_; |