Drop V8RecursionScope dependency on ExecutionContext

Source/modules/indexeddb/IDBPendingTransactionMonitor.cpp

 /*
  * 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
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  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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 #include "config.h"
 #include "modules/indexeddb/IDBPendingTransactionMonitor.h"
 
-#include "core/dom/ExecutionContext.h"
 #include "modules/indexeddb/IDBTransaction.h"
 
 namespace blink {
 
-DEFINE_EMPTY_DESTRUCTOR_WILL_BE_REMOVED(IDBPendingTransactionMonitor)
-
-const char* IDBPendingTransactionMonitor::supplementName()
-{
-    return "IDBPendingTransactionMonitor";
-}
-
-inline IDBPendingTransactionMonitor::IDBPendingTransactionMonitor()
+IDBPendingTransactionMonitor::IDBPendingTransactionMonitor()
 {
 }
 
-IDBPendingTransactionMonitor& IDBPendingTransactionMonitor::from(WillBeHeapSupplementable<ExecutionContext>& context)
-{
-    IDBPendingTransactionMonitor* supplement = static_cast<IDBPendingTransactionMonitor*>(WillBeHeapSupplement<ExecutionContext>::from(context, supplementName()));
-    if (!supplement) {
-        supplement = new IDBPendingTransactionMonitor();
-        provideTo(context, supplementName(), adoptPtrWillBeNoop(supplement));
-    }
-    return *supplement;
-}
-
 void IDBPendingTransactionMonitor::addNewTransaction(IDBTransaction& transaction)
 {
     m_transactions.append(&transaction);
 }
 
 void IDBPendingTransactionMonitor::deactivateNewTransactions()
 {
     for (size_t i = 0; i < m_transactions.size(); ++i)
         m_transactions[i]->setActive(false);
     // FIXME: Exercise this call to clear() in a layout test.
     m_transactions.clear();
 }
 
-void IDBPendingTransactionMonitor::trace(Visitor* visitor)
-{
-#if ENABLE(OILPAN)
-    visitor->trace(m_transactions);
-#endif
-    WillBeHeapSupplement<ExecutionContext>::trace(visitor);
-}
-
 } // namespace blink