Ensure proper finalization of garbage-collected types.

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 26 matching lines @@
 
 namespace WebCore {
 
 class ExecutionContext;
 class WorkerCrypto;
 class WorkerGlobalScope;
 
 class WorkerGlobalScopeCrypto FINAL : public NoBaseWillBeGarbageCollected<WorkerGlobalScopeCrypto>, public WillBeHeapSupplement<WorkerGlobalScope> {
     WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(WorkerGlobalScopeCrypto);
 public:
-    virtual ~WorkerGlobalScopeCrypto();
     static WorkerGlobalScopeCrypto& from(WillBeHeapSupplementable<WorkerGlobalScope>&);
     static WorkerCrypto* crypto(WillBeHeapSupplementable<WorkerGlobalScope>&);
     WorkerCrypto* crypto() const;
 
     virtual void trace(Visitor*);
 
 private:
     WorkerGlobalScopeCrypto();
     static const char* supplementName();
 
     mutable RefPtrWillBeMember<WorkerCrypto> m_crypto;
 };
 
 } // namespace WebCore
 
 #endif // WorkerGlobalScopeCrypto_h