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

chrome/browser/search_engines/chrome_template_url_service_client.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.
 
 #ifndef CHROME_BROWSER_SEARCH_ENGINES_CHROME_TEMPLATE_URL_SERVICE_CLIENT_H_
 #define CHROME_BROWSER_SEARCH_ENGINES_CHROME_TEMPLATE_URL_SERVICE_CLIENT_H_
 
 #include "components/history/core/browser/history_service_observer.h"
 #include "components/search_engines/template_url_service_client.h"
 
 class HistoryService;
 
 // ChromeTemplateURLServiceClient provides keyword related history
 // functionality for TemplateURLService.
 class ChromeTemplateURLServiceClient : public TemplateURLServiceClient,
                                        public history::HistoryServiceObserver {
  public:
   explicit ChromeTemplateURLServiceClient(HistoryService* history_service);
-  virtual ~ChromeTemplateURLServiceClient();
+  ~ChromeTemplateURLServiceClient() override;
 
   // TemplateURLServiceClient:
-  virtual void Shutdown() override;
-  virtual void SetOwner(TemplateURLService* owner) override;
-  virtual void DeleteAllSearchTermsForKeyword(
-      history::KeywordID keyword_Id) override;
-  virtual void SetKeywordSearchTermsForURL(const GURL& url,
-                                           TemplateURLID id,
-                                           const base::string16& term) override;
-  virtual void AddKeywordGeneratedVisit(const GURL& url) override;
-  virtual void RestoreExtensionInfoIfNecessary(
-      TemplateURL* template_url) override;
+  void Shutdown() override;
+  void SetOwner(TemplateURLService* owner) override;
+  void DeleteAllSearchTermsForKeyword(history::KeywordID keyword_Id) override;
+  void SetKeywordSearchTermsForURL(const GURL& url,
+                                   TemplateURLID id,
+                                   const base::string16& term) override;
+  void AddKeywordGeneratedVisit(const GURL& url) override;
+  void RestoreExtensionInfoIfNecessary(TemplateURL* template_url) override;
 
   // history::HistoryServiceObserver:
-  virtual void OnURLVisited(HistoryService* history_service,
-                            ui::PageTransition transition,
-                            const history::URLRow& row,
-                            const history::RedirectList& redirects,
-                            base::Time visit_time) override;
+  void OnURLVisited(HistoryService* history_service,
+                    ui::PageTransition transition,
+                    const history::URLRow& row,
+                    const history::RedirectList& redirects,
+                    base::Time visit_time) override;
 
  private:
   TemplateURLService* owner_;
   HistoryService* history_service_;
 
   DISALLOW_COPY_AND_ASSIGN(ChromeTemplateURLServiceClient);
 };
 
 #endif  // CHROME_BROWSER_SEARCH_ENGINES_CHROME_TEMPLATE_URL_SERVICE_CLIENT_H_