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

chrome/browser/extensions/api/activity_log_private/activity_log_private_api.h

 // Copyright 2013 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 extension API provides access to the Activity Log, which is a
 // monitoring framework for extension behavior. Only specific Google-produced
 // extensions should have access to it.
 
 #ifndef CHROME_BROWSER_EXTENSIONS_API_ACTIVITY_LOG_PRIVATE_ACTIVITY_LOG_PRIVATE_API_H_
 #define CHROME_BROWSER_EXTENSIONS_API_ACTIVITY_LOG_PRIVATE_ACTIVITY_LOG_PRIVATE_API_H_
 
 #include "base/synchronization/lock.h"
 #include "chrome/browser/extensions/activity_log/activity_actions.h"
 #include "chrome/browser/extensions/activity_log/activity_log.h"
 #include "chrome/browser/extensions/chrome_extension_function.h"
 #include "extensions/browser/browser_context_keyed_api_factory.h"
 #include "extensions/browser/event_router.h"
 
 namespace extensions {
 
 class ActivityLog;
 
 // Handles interactions between the Activity Log API and implementation.
 class ActivityLogAPI : public BrowserContextKeyedAPI,
                        public extensions::ActivityLog::Observer,
                        public EventRouter::Observer {
  public:
   explicit ActivityLogAPI(content::BrowserContext* context);
-  virtual ~ActivityLogAPI();
+  ~ActivityLogAPI() override;
 
   // BrowserContextKeyedAPI implementation.
   static BrowserContextKeyedAPIFactory<ActivityLogAPI>* GetFactoryInstance();
 
-  virtual void Shutdown() override;
+  void Shutdown() override;
 
   // Lookup whether the extension ID is whitelisted.
   static bool IsExtensionWhitelisted(const std::string& extension_id);
 
  private:
   friend class BrowserContextKeyedAPIFactory<ActivityLogAPI>;
   static const char* service_name() { return "ActivityLogPrivateAPI"; }
 
   // ActivityLog::Observer
   // We pass this along to activityLogPrivate.onExtensionActivity.
-  virtual void OnExtensionActivity(scoped_refptr<Action> activity) override;
+  void OnExtensionActivity(scoped_refptr<Action> activity) override;
 
   // EventRouter::Observer
   // We only keep track of OnExtensionActivity if we have any listeners.
-  virtual void OnListenerAdded(const EventListenerInfo& details) override;
-  virtual void OnListenerRemoved(const EventListenerInfo& details) override;
+  void OnListenerAdded(const EventListenerInfo& details) override;
+  void OnListenerRemoved(const EventListenerInfo& details) override;
 
   content::BrowserContext* browser_context_;
   ActivityLog* activity_log_;
   bool initialized_;
 
   DISALLOW_COPY_AND_ASSIGN(ActivityLogAPI);
 };
 
 template <>
 void
     BrowserContextKeyedAPIFactory<ActivityLogAPI>::DeclareFactoryDependencies();
 
 // The implementation of activityLogPrivate.getExtensionActivities
 class ActivityLogPrivateGetExtensionActivitiesFunction
     : public ChromeAsyncExtensionFunction {
  public:
   DECLARE_EXTENSION_FUNCTION("activityLogPrivate.getExtensionActivities",
                              ACTIVITYLOGPRIVATE_GETEXTENSIONACTIVITIES)
 
  protected:
-  virtual ~ActivityLogPrivateGetExtensionActivitiesFunction() {}
+  ~ActivityLogPrivateGetExtensionActivitiesFunction() override {}
 
   // ExtensionFunction:
-  virtual bool RunAsync() override;
+  bool RunAsync() override;
 
  private:
   void OnLookupCompleted(
       scoped_ptr<std::vector<scoped_refptr<Action> > > activities);
 };
 
 // The implementation of activityLogPrivate.deleteActivities
 class ActivityLogPrivateDeleteActivitiesFunction
     : public ChromeAsyncExtensionFunction {
  public:
   DECLARE_EXTENSION_FUNCTION("activityLogPrivate.deleteActivities",
                              ACTIVITYLOGPRIVATE_DELETEACTIVITIES)
 
  protected:
-  virtual ~ActivityLogPrivateDeleteActivitiesFunction() {}
+  ~ActivityLogPrivateDeleteActivitiesFunction() override {}
 
   // ExtensionFunction:
-  virtual bool RunAsync() override;
+  bool RunAsync() override;
 };
 
 // The implementation of activityLogPrivate.deleteDatabase
 class ActivityLogPrivateDeleteDatabaseFunction
     : public ChromeAsyncExtensionFunction {
  public:
   DECLARE_EXTENSION_FUNCTION("activityLogPrivate.deleteDatabase",
                              ACTIVITYLOGPRIVATE_DELETEDATABASE)
 
  protected:
-  virtual ~ActivityLogPrivateDeleteDatabaseFunction() {}
+  ~ActivityLogPrivateDeleteDatabaseFunction() override {}
 
   // ExtensionFunction:
-  virtual bool RunAsync() override;
+  bool RunAsync() override;
 };
 
 // The implementation of activityLogPrivate.deleteUrls
 class ActivityLogPrivateDeleteUrlsFunction
     : public ChromeAsyncExtensionFunction {
  public:
   DECLARE_EXTENSION_FUNCTION("activityLogPrivate.deleteUrls",
                              ACTIVITYLOGPRIVATE_DELETEURLS)
 
  protected:
-  virtual ~ActivityLogPrivateDeleteUrlsFunction() {}
+  ~ActivityLogPrivateDeleteUrlsFunction() override {}
 
   // ExtensionFunction:
-  virtual bool RunAsync() override;
+  bool RunAsync() override;
 };
 
 }  // namespace extensions
 
 #endif  // CHROME_BROWSER_EXTENSIONS_API_ACTIVITY_LOG_PRIVATE_ACTIVITY_LOG_PRIVATE_API_H_