Update modules classes to use OVERRIDE / FINAL when needed

Source/modules/crypto/WorkerGlobalScopeCrypto.h

 /*
  * Copyright (C) 2013 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 20 matching lines @@
 #ifndef WorkerGlobalScopeCrypto_h
 #define WorkerGlobalScopeCrypto_h
 
 #include "core/workers/WorkerSupplementable.h"
 
 namespace WebCore {
 
 class WorkerCrypto;
 class ExecutionContext;
 
-class WorkerGlobalScopeCrypto : public WorkerSupplement {
+class WorkerGlobalScopeCrypto FINAL : public WorkerSupplement {
 public:
     virtual ~WorkerGlobalScopeCrypto();
     static WorkerGlobalScopeCrypto* from(WorkerSupplementable*);
     static WorkerCrypto* crypto(WorkerSupplementable*);
     WorkerCrypto* crypto() const;
 
 private:
     WorkerGlobalScopeCrypto();
     static const char* supplementName();
 
     mutable RefPtr<WorkerCrypto> m_crypto;
 };
 
 } // namespace WebCore
 
 #endif // WorkerGlobalScopeCrypto_h