Standardize usage of virtual/override/final in components/

components/invalidation/invalidation_notifier.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.
 //
 // An implementation of Invalidator that wraps an invalidation
 // client.  Handles the details of connecting to XMPP and hooking it
 // up to the invalidation client.
 //
 // You probably don't want to use this directly; use
 // NonBlockingInvalidator.
@@ skipping 32 matching lines @@
   InvalidationNotifier(
       scoped_ptr<SyncNetworkChannel> network_channel,
       const std::string& invalidator_client_id,
       const UnackedInvalidationsMap& saved_invalidations,
       const std::string& invalidation_bootstrap_data,
       const base::WeakPtr<InvalidationStateTracker>& invalidation_state_tracker,
       scoped_refptr<base::SingleThreadTaskRunner>
           invalidation_state_tracker_task_runner,
       const std::string& client_info);
 
-  virtual ~InvalidationNotifier();
+  ~InvalidationNotifier() override;
 
   // Invalidator implementation.
-  virtual void RegisterHandler(InvalidationHandler* handler) override;
-  virtual void UpdateRegisteredIds(InvalidationHandler* handler,
-                                   const ObjectIdSet& ids) override;
-  virtual void UnregisterHandler(InvalidationHandler* handler) override;
-  virtual InvalidatorState GetInvalidatorState() const override;
-  virtual void UpdateCredentials(
-      const std::string& email, const std::string& token) override;
-  virtual void RequestDetailedStatus(
-      base::Callback<void(const base::DictionaryValue&)> callback) const
-      override;
+  void RegisterHandler(InvalidationHandler* handler) override;
+  void UpdateRegisteredIds(InvalidationHandler* handler,
+                           const ObjectIdSet& ids) override;
+  void UnregisterHandler(InvalidationHandler* handler) override;
+  InvalidatorState GetInvalidatorState() const override;
+  void UpdateCredentials(const std::string& email,
+                         const std::string& token) override;
+  void RequestDetailedStatus(base::Callback<void(const base::DictionaryValue&)>
+                                 callback) const override;
 
   // SyncInvalidationListener::Delegate implementation.
-  virtual void OnInvalidate(
-      const ObjectIdInvalidationMap& invalidation_map) override;
-  virtual void OnInvalidatorStateChange(InvalidatorState state) override;
+  void OnInvalidate(const ObjectIdInvalidationMap& invalidation_map) override;
+  void OnInvalidatorStateChange(InvalidatorState state) override;
 
  private:
   // We start off in the STOPPED state.  When we get our initial
   // credentials, we connect and move to the CONNECTING state.  When
   // we're connected we start the invalidation client and move to the
   // STARTED state.  We never go back to a previous state.
   enum State {
     STOPPED,
     CONNECTING,
     STARTED
@@ skipping 21 matching lines @@
 
   // The invalidation listener.
   SyncInvalidationListener invalidation_listener_;
 
   DISALLOW_COPY_AND_ASSIGN(InvalidationNotifier);
 };
 
 }  // namespace syncer
 
 #endif  // COMPONENTS_INVALIDATION_INVALIDATION_NOTIFIER_H_