| Index: chrome/browser/metrics/metrics_service_accessor.cc | 
| diff --git a/chrome/browser/metrics/metrics_service_accessor.cc b/chrome/browser/metrics/metrics_service_accessor.cc | 
| index ec83ff3c246f652fb8d278dc2f991a3d1e982f45..94c0e88d299a720104db6ace72bee3fd1a9cac4f 100644 | 
| --- a/chrome/browser/metrics/metrics_service_accessor.cc | 
| +++ b/chrome/browser/metrics/metrics_service_accessor.cc | 
| @@ -8,6 +8,11 @@ | 
| #include "components/metrics/metrics_service.h" | 
| #include "components/metrics/metrics_service_observer.h" | 
|  | 
| +// TODO(asvitkine): Remove when this class is moved to metrics namespace. | 
| +using metrics::MetricsService; | 
| +using metrics::MetricsServiceObserver; | 
| +using metrics::SyntheticTrialGroup; | 
| + | 
| // static | 
| void MetricsServiceAccessor::AddMetricsServiceObserver( | 
| MetricsServiceObserver* observer) { | 
|  |