Make Timer and CancellableTaskFactory embeddeable in lazily swept objects.

Source/core/dom/ScriptRunner.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
  * 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
@@ skipping 32 matching lines @@
 }
 
 namespace blink {
 
 
 ScriptRunner::ScriptRunner(Document* document)
     : m_document(document)
     , m_executeScriptsTaskFactory(WTF::bind(&ScriptRunner::executeScripts, this))
 {
     ASSERT(document);
+#if ENABLE(LAZY_SWEEPING) && defined(ADDRESS_SANITIZER)
+    m_executeScriptsTaskFactory.setUnpoisonBeforeUpdate();
+#endif
 }
 
 ScriptRunner::~ScriptRunner()
 {
 #if !ENABLE(OILPAN)
     // Make sure that ScriptLoaders don't keep their PendingScripts alive.
     for (ScriptLoader* scriptLoader : m_scriptsToExecuteInOrder)
         scriptLoader->detach();
     for (ScriptLoader* scriptLoader : m_scriptsToExecuteSoon)
         scriptLoader->detach();
@@ skipping 169 matching lines @@
 {
 #if ENABLE(OILPAN)
     visitor->trace(m_document);
     visitor->trace(m_scriptsToExecuteInOrder);
     visitor->trace(m_scriptsToExecuteSoon);
     visitor->trace(m_pendingAsyncScripts);
 #endif
 }
 
 }