Update modules classes to use OVERRIDE / FINAL when needed

Source/modules/filesystem/DirectoryEntry.h

 /*
  * Copyright (C) 2010 Google 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.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 27 matching lines @@
 #include "wtf/text/WTFString.h"
 
 namespace WebCore {
 
 class DOMFileSystemBase;
 class DirectoryReader;
 class EntryCallback;
 class ErrorCallback;
 class VoidCallback;
 
-class DirectoryEntry : public Entry {
+class DirectoryEntry FINAL : public Entry {
 public:
     static PassRefPtr<DirectoryEntry> create(PassRefPtr<DOMFileSystemBase> fileSystem, const String& fullPath)
     {
         return adoptRef(new DirectoryEntry(fileSystem, fullPath));
     }
-    virtual bool isDirectory() const { return true; }
+    virtual bool isDirectory() const OVERRIDE { return true; }
 
     PassRefPtr<DirectoryReader> createReader();
     void getFile(const String& path, const Dictionary&, PassOwnPtr<EntryCallback> = nullptr, PassOwnPtr<ErrorCallback> = nullptr);
     void getDirectory(const String& path, const Dictionary&, PassOwnPtr<EntryCallback> = nullptr, PassOwnPtr<ErrorCallback> = nullptr);
     void removeRecursively(PassOwnPtr<VoidCallback> successCallback = nullptr, PassOwnPtr<ErrorCallback> = nullptr) const;
 
 private:
     DirectoryEntry(PassRefPtr<DOMFileSystemBase>, const String& fullPath);
 };
 
 DEFINE_TYPE_CASTS(DirectoryEntry, Entry, entry, entry->isDirectory(), entry.isDirectory());
 
 } // namespace
 
 #endif // DirectoryEntry_h