Standardize usage of virtual/override/final in components/

components/metrics/metrics_service.h

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // This file defines a service that collects information about the user
 // experience in order to help improve future versions of the app.
 
 #ifndef COMPONENTS_METRICS_METRICS_SERVICE_H_
 #define COMPONENTS_METRICS_METRICS_SERVICE_H_
 
@@ skipping 80 matching lines @@
     SHUTDOWN_COMPLETE = 700,
   };
 
   // Creates the MetricsService with the given |state_manager|, |client|, and
   // |local_state|.  Does not take ownership of the paramaters; instead stores
   // a weak pointer to each. Caller should ensure that the parameters are valid
   // for the lifetime of this class.
   MetricsService(MetricsStateManager* state_manager,
                  MetricsServiceClient* client,
                  PrefService* local_state);
-  virtual ~MetricsService();
+  ~MetricsService() override;
 
   // Initializes metrics recording state. Updates various bookkeeping values in
   // prefs and sets up the scheduler. This is a separate function rather than
   // being done by the constructor so that field trials could be created before
   // this is run.
   void InitializeMetricsRecordingState();
 
   // Starts the metrics system, turning on recording and uploading of metrics.
   // Should be called when starting up with metrics enabled, or when metrics
   // are turned on.
@@ skipping 33 matching lines @@
   // that has a high source of entropy, partially based on the client ID.
   // Otherwise, it returns an entropy provider that is based on a low entropy
   // source.
   scoped_ptr<const base::FieldTrial::EntropyProvider> CreateEntropyProvider();
 
   // At startup, prefs needs to be called with a list of all the pref names and
   // types we'll be using.
   static void RegisterPrefs(PrefRegistrySimple* registry);
 
   // HistogramFlattener:
-  virtual void RecordDelta(const base::HistogramBase& histogram,
-                           const base::HistogramSamples& snapshot) override;
-  virtual void InconsistencyDetected(
+  void RecordDelta(const base::HistogramBase& histogram,
+                   const base::HistogramSamples& snapshot) override;
+  void InconsistencyDetected(
       base::HistogramBase::Inconsistency problem) override;
-  virtual void UniqueInconsistencyDetected(
+  void UniqueInconsistencyDetected(
       base::HistogramBase::Inconsistency problem) override;
-  virtual void InconsistencyDetectedInLoggedCount(int amount) override;
+  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.
   void OnApplicationNotIdle();
 
   // Invoked when we get a WM_SESSIONEND. This places a value in prefs that is
   // reset when RecordCompletedSessionEnd is invoked.
   void RecordStartOfSessionEnd();
 
   // This should be called when the application is shutting down. It records
@@ skipping 294 matching lines @@
   // Weak pointers factory used for saving state. All weak pointers managed by
   // this factory are invalidated in ScheduleNextStateSave.
   base::WeakPtrFactory<MetricsService> state_saver_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(MetricsService);
 };
 
 }  // namespace metrics
 
 #endif  // COMPONENTS_METRICS_METRICS_SERVICE_H_