Fix virtual/override/final usage in Source/modules/.

Source/modules/geolocation/testing/GeolocationClientMock.h

 /*
  * Copyright (C) 2010 Google Inc. All rights reserved.
  * Copyright (C) 2012 Apple Inc. All Rights Reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
@@ skipping 29 matching lines @@
 
 namespace blink {
 
 class GeolocationController;
 class GeolocationPosition;
 
 // Provides a mock object for the geolocation client.
 class GeolocationClientMock : public GeolocationClient {
 public:
     GeolocationClientMock();
-    virtual ~GeolocationClientMock();
+    ~GeolocationClientMock() override;
 
     void setPosition(GeolocationPosition*);
     void setPositionUnavailableError(const String& errorMessage);
     void setPermission(bool allowed);
     int numberOfPendingPermissionRequests() const;
 
     // GeolocationClient
-    virtual void startUpdating() override;
-    virtual void stopUpdating() override;
-    virtual void setEnableHighAccuracy(bool) override;
-    virtual GeolocationPosition* lastPosition() override;
-    virtual void requestPermission(Geolocation*) override;
-    virtual void cancelPermissionRequest(Geolocation*) override;
+    void startUpdating() override;
+    void stopUpdating() override;
+    void setEnableHighAccuracy(bool) override;
+    GeolocationPosition* lastPosition() override;
+    void requestPermission(Geolocation*) override;
+    void cancelPermissionRequest(Geolocation*) override;
     void controllerForTestAdded(GeolocationController*) override;
     void controllerForTestRemoved(GeolocationController*) override;
 
     DECLARE_VIRTUAL_TRACE();
 
 private:
     void asyncUpdateController();
     void controllerTimerFired(Timer<GeolocationClientMock>*);
 
     void asyncUpdatePermission();
@@ skipping 19 matching lines @@
 
     PermissionState m_permissionState;
 
     typedef PersistentHeapHashSetWillBeHeapHashSet<Member<Geolocation>> GeolocationSet;
     GeolocationSet m_pendingPermissions;
 };
 
 }
 
 #endif