replace OVERRIDE and FINAL with override and final in components/

components/metrics/metrics_service.h

Index: components/metrics/metrics_service.h
diff --git a/components/metrics/metrics_service.h b/components/metrics/metrics_service.h
index fab569833d8118894604a92caa8be3d0aa1f4d13..c332c8af50859b9fd22a7b8de6e1e1f91bac879d 100644
--- a/components/metrics/metrics_service.h
+++ b/components/metrics/metrics_service.h
@@ -153,12 +153,12 @@ class MetricsService : public base::HistogramFlattener {
 
   // HistogramFlattener:
   virtual void RecordDelta(const base::HistogramBase& histogram,
-                           const base::HistogramSamples& snapshot) OVERRIDE;
+                           const base::HistogramSamples& snapshot) override;
   virtual void InconsistencyDetected(
-      base::HistogramBase::Inconsistency problem) OVERRIDE;
+      base::HistogramBase::Inconsistency problem) override;
   virtual void UniqueInconsistencyDetected(
-      base::HistogramBase::Inconsistency problem) OVERRIDE;
-  virtual void InconsistencyDetectedInLoggedCount(int amount) OVERRIDE;
+      base::HistogramBase::Inconsistency problem) override;
+  virtual void InconsistencyDetectedInLoggedCount(int amount) override;
 
   // This should be called when the application is not idle, i.e. the user seems
   // to be interacting with the application.