Update modules classes to use OVERRIDE / FINAL when needed

Source/modules/filesystem/DOMFileSystem.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 28 matching lines @@
 #include "modules/filesystem/EntriesCallback.h"
 
 namespace WebCore {
 
 class DirectoryEntry;
 class File;
 class FileCallback;
 class FileEntry;
 class FileWriterCallback;
 
-class DOMFileSystem : public DOMFileSystemBase, public ScriptWrappable, public ActiveDOMObject {
+class DOMFileSystem FINAL : public DOMFileSystemBase, public ScriptWrappable, public ActiveDOMObject {
 public:
     static PassRefPtr<DOMFileSystem> create(ExecutionContext*, const String& name, FileSystemType, const KURL& rootURL);
 
     // Creates a new isolated file system for the given filesystemId.
     static PassRefPtr<DOMFileSystem> createIsolatedFileSystem(ExecutionContext*, const String& filesystemId);
 
     PassRefPtr<DirectoryEntry> root();
 
     // DOMFileSystemBase overrides.
     virtual void addPendingCallbacks() OVERRIDE;
@@ skipping 21 matching lines @@
     void scheduleCallback(PassOwnPtr<CB> callback,  const CBArg& callbackArg)
     {
         scheduleCallback(executionContext(), callback, callbackArg);
     }
 
 private:
     DOMFileSystem(ExecutionContext*, const String& name, FileSystemType, const KURL& rootURL);
 
     // A helper template to schedule a callback task.
     template <typename CB, typename CBArg>
-    class DispatchCallbacRefPtrArgTask : public ExecutionContextTask {
+    class DispatchCallbacRefPtrArgTask FINAL : public ExecutionContextTask {
     public:
         DispatchCallbacRefPtrArgTask(PassOwnPtr<CB> callback, PassRefPtr<CBArg> arg)
             : m_callback(callback)
             , m_callbackArg(arg)
         {
         }
 
-        virtual void performTask(ExecutionContext*)
+        virtual void performTask(ExecutionContext*) OVERRIDE
         {
             m_callback->handleEvent(m_callbackArg.get());
         }
 
     private:
         OwnPtr<CB> m_callback;
         RefPtr<CBArg> m_callbackArg;
     };
 
     template <typename CB, typename CBArg>
-    class DispatchCallbackNonPtrArgTask : public ExecutionContextTask {
+    class DispatchCallbackNonPtrArgTask FINAL : public ExecutionContextTask {
     public:
         DispatchCallbackNonPtrArgTask(PassOwnPtr<CB> callback, const CBArg& arg)
             : m_callback(callback)
             , m_callbackArg(arg)
         {
         }
 
-        virtual void performTask(ExecutionContext*)
+        virtual void performTask(ExecutionContext*) OVERRIDE
         {
             m_callback->handleEvent(m_callbackArg);
         }
 
     private:
         OwnPtr<CB> m_callback;
         CBArg m_callbackArg;
     };
 };
 
 template <typename CB, typename CBArg>
 void DOMFileSystem::scheduleCallback(ExecutionContext* executionContext, PassOwnPtr<CB> callback, PassRefPtr<CBArg> arg)
 {
     ASSERT(executionContext->isContextThread());
     if (callback)
         executionContext->postTask(adoptPtr(new DispatchCallbacRefPtrArgTask<CB, CBArg>(callback, arg)));
 }
 
 template <typename CB, typename CBArg>
 void DOMFileSystem::scheduleCallback(ExecutionContext* executionContext, PassOwnPtr<CB> callback, const CBArg& arg)
 {
     ASSERT(executionContext->isContextThread());
     if (callback)
         executionContext->postTask(adoptPtr(new DispatchCallbackNonPtrArgTask<CB, CBArg>(callback, arg)));
 }
 
 } // namespace
 
 #endif // DOMFileSystem_h