Standardize usage of virtual/override/final in components/

components/omnibox/base_search_provider.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 class contains common functionality for search-based autocomplete
 // providers. Search provider and zero suggest provider both use it for common
 // functionality.
 
 #ifndef COMPONENTS_OMNIBOX_BASE_SEARCH_PROVIDER_H_
 #define COMPONENTS_OMNIBOX_BASE_SEARCH_PROVIDER_H_
@@ skipping 51 matching lines @@
   // NOTE: Use with care. Most likely you want the other CreateSearchSuggestion
   // with protected access.
   static AutocompleteMatch CreateSearchSuggestion(
       const base::string16& suggestion,
       AutocompleteMatchType::Type type,
       bool from_keyword_provider,
       const TemplateURL* template_url,
       const SearchTermsData& search_terms_data);
 
   // AutocompleteProvider:
-  virtual void DeleteMatch(const AutocompleteMatch& match) override;
-  virtual void AddProviderInfo(ProvidersInfo* provider_info) const override;
+  void DeleteMatch(const AutocompleteMatch& match) override;
+  void AddProviderInfo(ProvidersInfo* provider_info) const override;
 
   bool field_trial_triggered_in_session() const {
     return field_trial_triggered_in_session_;
   }
 
  protected:
   // The following keys are used to record additional information on matches.
 
   // We annotate our AutocompleteMatches with whether their relevance scores
   // were server-provided using this key in the |additional_info| field.
   static const char kRelevanceFromServerKey[];
 
   // Indicates whether the server said a match should be prefetched.
   static const char kShouldPrefetchKey[];
 
   // Used to store metadata from the server response, which is needed for
   // prefetching.
   static const char kSuggestMetadataKey[];
 
   // Used to store a deletion request url for server-provided suggestions.
   static const char kDeletionUrlKey[];
 
   // These are the values for the above keys.
   static const char kTrue[];
   static const char kFalse[];
 
-  virtual ~BaseSearchProvider();
+  ~BaseSearchProvider() override;
 
   typedef std::pair<base::string16, std::string> MatchKey;
   typedef std::map<MatchKey, AutocompleteMatch> MatchMap;
   typedef ScopedVector<SuggestionDeletionHandler> SuggestionDeletionHandlers;
 
   // Returns an AutocompleteMatch with the given |autocomplete_provider|
   // for the search |suggestion|, which represents a search via |template_url|.
   // If |template_url| is NULL, returns a match with an invalid destination URL.
   //
   // |input| is the original user input. Text in the input is used to highlight
@@ skipping 137 matching lines @@
 
   // Each deletion handler in this vector corresponds to an outstanding request
   // that a server delete a personalized suggestion. Making this a ScopedVector
   // causes us to auto-cancel all such requests on shutdown.
   SuggestionDeletionHandlers deletion_handlers_;
 
   DISALLOW_COPY_AND_ASSIGN(BaseSearchProvider);
 };
 
 #endif  // COMPONENTS_OMNIBOX_BASE_SEARCH_PROVIDER_H_