Standardize usage of virtual/override/final in chrome/browser/ui/

chrome/browser/ui/webui/invalidations_message_handler.h

Index: chrome/browser/ui/webui/invalidations_message_handler.h
diff --git a/chrome/browser/ui/webui/invalidations_message_handler.h b/chrome/browser/ui/webui/invalidations_message_handler.h
index 1f0fd5e9ea0a2031066e16202559cf95626a81bb..2320ba45e9cd6310e2ebcce6d0e02fea1316b064 100644
--- a/chrome/browser/ui/webui/invalidations_message_handler.h
+++ b/chrome/browser/ui/webui/invalidations_message_handler.h
@@ -29,24 +29,22 @@ class InvalidationsMessageHandler
       public invalidation::InvalidationLoggerObserver {
  public:
   InvalidationsMessageHandler();
-  virtual ~InvalidationsMessageHandler();
+  ~InvalidationsMessageHandler() override;
 
   // Implementation of InvalidationLoggerObserver.
-  virtual void OnRegistrationChange(
+  void OnRegistrationChange(
       const std::multiset<std::string>& registered_handlers) override;
-  virtual void OnStateChange(const syncer::InvalidatorState& new_state,
-                             const base::Time& last_change_timestamp)
-      override;
-  virtual void OnUpdateIds(const std::string& handler_name,
-                           const syncer::ObjectIdCountMap& ids_set) override;
-  virtual void OnDebugMessage(const base::DictionaryValue& details) override;
-  virtual void OnInvalidation(
+  void OnStateChange(const syncer::InvalidatorState& new_state,
+                     const base::Time& last_change_timestamp) override;
+  void OnUpdateIds(const std::string& handler_name,
+                   const syncer::ObjectIdCountMap& ids_set) override;
+  void OnDebugMessage(const base::DictionaryValue& details) override;
+  void OnInvalidation(
       const syncer::ObjectIdInvalidationMap& new_invalidations) override;
-  virtual void OnDetailedStatus(const base::DictionaryValue& network_details)
-      override;
+  void OnDetailedStatus(const base::DictionaryValue& network_details) override;
 
   // Implementation of WebUIMessageHandler.
-  virtual void RegisterMessages() override;
+  void RegisterMessages() override;
 
   // Triggers the logger to send the current state and objects ids.
   void UpdateContent(const base::ListValue* args);