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

chrome/browser/predictors/autocomplete_action_predictor.h

 // Copyright (c) 2012 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.
 
 #ifndef CHROME_BROWSER_PREDICTORS_AUTOCOMPLETE_ACTION_PREDICTOR_H_
 #define CHROME_BROWSER_PREDICTORS_AUTOCOMPLETE_ACTION_PREDICTOR_H_
 
 #include <map>
 
 #include "base/gtest_prod_util.h"
@@ skipping 53 matching lines @@
       public base::SupportsWeakPtr<AutocompleteActionPredictor> {
  public:
   enum Action {
     ACTION_PRERENDER = 0,
     ACTION_PRECONNECT,
     ACTION_NONE,
     LAST_PREDICT_ACTION = ACTION_NONE
   };
 
   explicit AutocompleteActionPredictor(Profile* profile);
-  virtual ~AutocompleteActionPredictor();
+  ~AutocompleteActionPredictor() override;
 
   // Registers an AutocompleteResult for a given |user_text|. This will be used
   // when the user navigates from the Omnibox to determine early opportunities
   // to predict their actions.
   void RegisterTransitionalMatches(const base::string16& user_text,
                                    const AutocompleteResult& result);
 
   // Clears any transitional matches that have been registered. Called when, for
   // example, the OmniboxEditModel is reverted.
   void ClearTransitionalMatches();
@@ skipping 62 matching lines @@
     int number_of_misses;
   };
 
   typedef std::map<DBCacheKey, DBCacheValue> DBCacheMap;
   typedef std::map<DBCacheKey, AutocompleteActionPredictorTable::Row::Id>
       DBIdCacheMap;
 
   static const int kMaximumDaysToKeepEntry;
 
   // NotificationObserver
-  virtual void Observe(int type,
-                       const content::NotificationSource& source,
-                       const content::NotificationDetails& details) override;
+  void Observe(int type,
+               const content::NotificationSource& source,
+               const content::NotificationDetails& details) override;
 
   // The first step in initializing the predictor is accessing the database and
   // building the local cache. This should be delayed until after critical DB
   // and IO processes have completed.
   void CreateLocalCachesFromDatabase();
 
   // Removes all rows from the database and caches.
   void DeleteAllRows();
 
   // Removes rows from the database and caches that contain a URL in |rows|.
@@ skipping 75 matching lines @@
   DBIdCacheMap db_id_cache_;
 
   bool initialized_;
 
   DISALLOW_COPY_AND_ASSIGN(AutocompleteActionPredictor);
 };
 
 }  // namespace predictors
 
 #endif  // CHROME_BROWSER_PREDICTORS_AUTOCOMPLETE_ACTION_PREDICTOR_H_