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

chrome/browser/extensions/api/location/location_manager.h

 // Copyright (c) 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.
 
 #ifndef CHROME_BROWSER_EXTENSIONS_API_LOCATION_LOCATION_MANAGER_H_
 #define CHROME_BROWSER_EXTENSIONS_API_LOCATION_LOCATION_MANAGER_H_
 
 #include <string>
 
 #include "base/scoped_observer.h"
@@ skipping 17 matching lines @@
 
 }  // namespace location
 }  // namespace api
 
 // BrowserContext's manager of all location watch requests created by
 // chrome.location API. Lives in the UI thread.
 class LocationManager : public BrowserContextKeyedAPI,
                         public ExtensionRegistryObserver {
  public:
   explicit LocationManager(content::BrowserContext* context);
-  virtual ~LocationManager();
+  ~LocationManager() override;
 
   // Adds location request for the given extension, and starts the location
   // tracking.
   void AddLocationRequest(
       const std::string& extension_id,
       const std::string& request_name,
       const double* distance_update_threshold_meters,
       const double* time_between_updates_ms);
 
   // Cancels and removes the request with the given |name| for the given
@@ skipping 21 matching lines @@
   static void GeopositionToApiCoordinates(
       const content::Geoposition& position,
       api::location::Coordinates* coordinates);
 
   // Sends a location update to the extension.
   void SendLocationUpdate(const std::string& extension_id,
                           const std::string& request_name,
                           const content::Geoposition& position);
 
   // ExtensionRegistryObserver implementation.
-  virtual void OnExtensionLoaded(content::BrowserContext* browser_context,
-                                 const Extension* extension) override;
-  virtual void OnExtensionUnloaded(
-      content::BrowserContext* browser_context,
-      const Extension* extension,
-      UnloadedExtensionInfo::Reason reason) override;
+  void OnExtensionLoaded(content::BrowserContext* browser_context,
+                         const Extension* extension) override;
+  void OnExtensionUnloaded(content::BrowserContext* browser_context,
+                           const Extension* extension,
+                           UnloadedExtensionInfo::Reason reason) override;
 
   // BrowserContextKeyedAPI implementation.
   static const char* service_name() { return "LocationManager"; }
 
   content::BrowserContext* const browser_context_;
 
   // A map of our pending location requests, per extension.
   // Invariant: None of the LocationRequestLists are empty.
   LocationRequestMap location_requests_;
 
   ScopedObserver<ExtensionRegistry, ExtensionRegistryObserver>
       extension_registry_observer_;
 
   DISALLOW_COPY_AND_ASSIGN(LocationManager);
 };
 
 }  // namespace extensions
 
 #endif  // CHROME_BROWSER_EXTENSIONS_API_LOCATION_LOCATION_MANAGER_H_