Drop V8RecursionScope dependency on ExecutionContext

Source/modules/indexeddb/IDBPendingTransactionMonitor.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:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
  * 2.  Redistributions in binary form must reproduce the above copyright
  *     notice, this list of conditions and the following disclaimer in the
  *     documentation and/or other materials provided with the distribution.
  *
  * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
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 #ifndef IDBPendingTransactionMonitor_h
 #define IDBPendingTransactionMonitor_h
 
-#include "platform/Supplementable.h"
+#include "platform/heap/Handle.h"
 #include "wtf/Noncopyable.h"
 #include "wtf/PassOwnPtr.h"
 #include "wtf/Vector.h"
+#include <v8.h>
 
 namespace blink {
 
-class ExecutionContext;
 class IDBTransaction;
 
 // This class keeps track of the transactions created during the current
 // Javascript execution context. Transactions have an internal |active| flag
 // which is set to true on creation, but must be set to false when control
 // returns to the event loop.
 
-class IDBPendingTransactionMonitor : public NoBaseWillBeGarbageCollected<IDBPendingTransactionMonitor>, public WillBeHeapSupplement<ExecutionContext> {
-    WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(IDBPendingTransactionMonitor);
-    DECLARE_EMPTY_VIRTUAL_DESTRUCTOR_WILL_BE_REMOVED(IDBPendingTransactionMonitor);
+class IDBPendingTransactionMonitor {
     WTF_MAKE_NONCOPYABLE(IDBPendingTransactionMonitor);
 
 public:
-    static IDBPendingTransactionMonitor& from(WillBeHeapSupplementable<ExecutionContext>&);
-    virtual void trace(Visitor*) OVERRIDE;
+    static void addNewTransaction(v8::Isolate*, IDBTransaction&);
+    static void deactivateNewTransactions(v8::Isolate*);
+
+private:
+    IDBPendingTransactionMonitor();
+
     void addNewTransaction(IDBTransaction&);
     void deactivateNewTransactions();
 
-private:
-    IDBPendingTransactionMonitor();
-    static const char* supplementName();
-
-    PersistentHeapVectorWillBeHeapVector<Member<IDBTransaction> > m_transactions;
+    PersistentHeapVector<Member<IDBTransaction> > m_transactions;
 };
 
 } // namespace blink
 
 #endif // IDBPendingTransactionMonitor_h