Oilpan: move WorkerGlobalScope to oilpan's heap.

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 13 matching lines @@
  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #ifndef WorkerGlobalScopeCrypto_h
 #define WorkerGlobalScopeCrypto_h
 
+#include "core/workers/WorkerGlobalScope.h"
 #include "core/workers/WorkerSupplementable.h"
 #include "heap/Handle.h"
 
 namespace WebCore {
 
 class WorkerCrypto;
 class ExecutionContext;
 
-class WorkerGlobalScopeCrypto FINAL : public WorkerSupplement {
+class WorkerGlobalScopeCrypto FINAL : public NoBaseWillBeGarbageCollectedFinalized<WorkerGlobalScopeCrypto>, public WorkerSupplement {

[Mads Ager (chromium), 2014/02/26 13:09:08]

As far as I can tell we can get away with not using Finalized here. This is
Final, so there are no subclasses, Supplement doesn't have state, and this class
only has a member which doesn't require the destructor to be called.

[sof, 2014/02/26 14:36:25]

Yes, I've verified this (and for other supplements.) Nice.

 public:
     virtual ~WorkerGlobalScopeCrypto();
     static WorkerGlobalScopeCrypto& from(WorkerSupplementable&);
     static WorkerCrypto* crypto(WorkerSupplementable&);
     WorkerCrypto* crypto() const;
 
+    virtual void trace(Visitor*);
+
 private:
     WorkerGlobalScopeCrypto();
     static const char* supplementName();
 
-    mutable RefPtrWillBePersistent<WorkerCrypto> m_crypto;
+    mutable RefPtrWillBeMember<WorkerCrypto> m_crypto;
 };
 
 } // namespace WebCore
 
 #endif // WorkerGlobalScopeCrypto_h