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

chrome/browser/extensions/api/history/history_api.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_EXTENSIONS_API_HISTORY_HISTORY_API_H_
 #define CHROME_BROWSER_EXTENSIONS_API_HISTORY_HISTORY_API_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 14 matching lines @@
 }
 
 namespace extensions {
 
 // Observes History service and routes the notifications as events to the
 // extension system.
 class HistoryEventRouter : public content::NotificationObserver,
                            public history::HistoryServiceObserver {
  public:
   HistoryEventRouter(Profile* profile, HistoryService* history_service);
-  virtual ~HistoryEventRouter();
+  ~HistoryEventRouter() override;
 
  private:
   // content::NotificationObserver::Observe.
-  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;
 
   // 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;
 
   void HistoryUrlsRemoved(Profile* profile,
                           const history::URLsDeletedDetails* details);
 
   void DispatchEvent(Profile* profile,
                      const std::string& event_name,
                      scoped_ptr<base::ListValue> event_args);
 
   // Used for tracking registrations to history service notifications.
   content::NotificationRegistrar registrar_;
   Profile* profile_;
   ScopedObserver<HistoryService, HistoryServiceObserver>
       history_service_observer_;
 
   DISALLOW_COPY_AND_ASSIGN(HistoryEventRouter);
 };
 
 class HistoryAPI : public BrowserContextKeyedAPI, public EventRouter::Observer {
  public:
   explicit HistoryAPI(content::BrowserContext* context);
-  virtual ~HistoryAPI();
+  ~HistoryAPI() override;
 
   // KeyedService implementation.
-  virtual void Shutdown() override;
+  void Shutdown() override;
 
   // BrowserContextKeyedAPI implementation.
   static BrowserContextKeyedAPIFactory<HistoryAPI>* GetFactoryInstance();
 
   // EventRouter::Observer implementation.
-  virtual void OnListenerAdded(const EventListenerInfo& details) override;
+  void OnListenerAdded(const EventListenerInfo& details) override;
 
  private:
   friend class BrowserContextKeyedAPIFactory<HistoryAPI>;
 
   content::BrowserContext* browser_context_;
 
   // BrowserContextKeyedAPI implementation.
   static const char* service_name() {
     return "HistoryAPI";
   }
   static const bool kServiceIsNULLWhileTesting = true;
 
   // Created lazily upon OnListenerAdded.
   scoped_ptr<HistoryEventRouter> history_event_router_;
 };
 
 template <>
 void BrowserContextKeyedAPIFactory<HistoryAPI>::DeclareFactoryDependencies();
 
 // Base class for history function APIs.
 class HistoryFunction : public ChromeAsyncExtensionFunction {
  protected:
-  virtual ~HistoryFunction() {}
+  ~HistoryFunction() override {}
 
   bool ValidateUrl(const std::string& url_string, GURL* url);
   bool VerifyDeleteAllowed();
   base::Time GetTime(double ms_from_epoch);
 };
 
 // Base class for history funciton APIs which require async interaction with
 // chrome services and the extension thread.
 class HistoryFunctionWithCallback : public HistoryFunction {
  public:
   HistoryFunctionWithCallback();
 
  protected:
-  virtual ~HistoryFunctionWithCallback();
+  ~HistoryFunctionWithCallback() override;
 
   // ExtensionFunction:
-  virtual bool RunAsync() override;
+  bool RunAsync() override;
 
   // Return true if the async call was completed, false otherwise.
   virtual bool RunAsyncImpl() = 0;
 
   // Call this method to report the results of the async method to the caller.
   // This method calls Release().
   virtual void SendAsyncResponse();
 
   // The task tracker for the HistoryService callbacks.
   base::CancelableTaskTracker task_tracker_;
 
  private:
   // The actual call to SendResponse.  This is required since the semantics for
   // CancelableRequestConsumerT require it to be accessed after the call.
   void SendResponseToCallback();
 };
 
 class HistoryGetVisitsFunction : public HistoryFunctionWithCallback {
  public:
   DECLARE_EXTENSION_FUNCTION("history.getVisits", HISTORY_GETVISITS)
 
  protected:
-  virtual ~HistoryGetVisitsFunction() {}
+  ~HistoryGetVisitsFunction() override {}
 
   // HistoryFunctionWithCallback:
-  virtual bool RunAsyncImpl() override;
+  bool RunAsyncImpl() override;
 
   // Callback for the history function to provide results.
   void QueryComplete(bool success,
                      const history::URLRow& url_row,
                      const history::VisitVector& visits);
 };
 
 class HistorySearchFunction : public HistoryFunctionWithCallback {
  public:
   DECLARE_EXTENSION_FUNCTION("history.search", HISTORY_SEARCH)
 
  protected:
-  virtual ~HistorySearchFunction() {}
+  ~HistorySearchFunction() override {}
 
   // HistoryFunctionWithCallback:
-  virtual bool RunAsyncImpl() override;
+  bool RunAsyncImpl() override;
 
   // Callback for the history function to provide results.
   void SearchComplete(history::QueryResults* results);
 };
 
 class HistoryAddUrlFunction : public HistoryFunction {
  public:
   DECLARE_EXTENSION_FUNCTION("history.addUrl", HISTORY_ADDURL)
 
  protected:
-  virtual ~HistoryAddUrlFunction() {}
+  ~HistoryAddUrlFunction() override {}
 
   // HistoryFunctionWithCallback:
-  virtual bool RunAsync() override;
+  bool RunAsync() override;
 };
 
 class HistoryDeleteAllFunction : public HistoryFunctionWithCallback {
  public:
   DECLARE_EXTENSION_FUNCTION("history.deleteAll", HISTORY_DELETEALL)
 
  protected:
-  virtual ~HistoryDeleteAllFunction() {}
+  ~HistoryDeleteAllFunction() override {}
 
   // HistoryFunctionWithCallback:
-  virtual bool RunAsyncImpl() override;
+  bool RunAsyncImpl() override;
 
   // Callback for the history service to acknowledge deletion.
   void DeleteComplete();
 };
 
 
 class HistoryDeleteUrlFunction : public HistoryFunction {
  public:
   DECLARE_EXTENSION_FUNCTION("history.deleteUrl", HISTORY_DELETEURL)
 
  protected:
-  virtual ~HistoryDeleteUrlFunction() {}
+  ~HistoryDeleteUrlFunction() override {}
 
   // HistoryFunctionWithCallback:
-  virtual bool RunAsync() override;
+  bool RunAsync() override;
 };
 
 class HistoryDeleteRangeFunction : public HistoryFunctionWithCallback {
  public:
   DECLARE_EXTENSION_FUNCTION("history.deleteRange", HISTORY_DELETERANGE)
 
  protected:
-  virtual ~HistoryDeleteRangeFunction() {}
+  ~HistoryDeleteRangeFunction() override {}
 
   // HistoryFunctionWithCallback:
-  virtual bool RunAsyncImpl() override;
+  bool RunAsyncImpl() override;
 
   // Callback for the history service to acknowledge deletion.
   void DeleteComplete();
 };
 
 }  // namespace extensions
 
 #endif  // CHROME_BROWSER_EXTENSIONS_API_HISTORY_HISTORY_API_H_