Wrap GCed raw pointer parameters of WTF::bind with Persistent

third_party/WebKit/Source/core/dom/ExecutionContext.cpp

 /*
  * Copyright (C) 2008 Apple Inc. All Rights Reserved.
  * Copyright (C) 2012 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
@@ skipping 76 matching lines @@
 void ExecutionContext::stopActiveDOMObjects()
 {
     m_activeDOMObjectsAreStopped = true;
     notifyStoppingActiveDOMObjects();
 }
 
 void ExecutionContext::postSuspendableTask(std::unique_ptr<SuspendableTask> task)
 {
     m_suspendedTasks.append(std::move(task));
     if (!m_activeDOMObjectsAreSuspended)
-        postTask(BLINK_FROM_HERE, createSameThreadTask(&ExecutionContext::runSuspendableTasks, this));
+        postTask(BLINK_FROM_HERE, createSameThreadTask(&ExecutionContext::runSuspendableTasks, wrapPersistent(this)));
 }
 
 void ExecutionContext::notifyContextDestroyed()
 {
     Deque<std::unique_ptr<SuspendableTask>> suspendedTasks;
     suspendedTasks.swap(m_suspendedTasks);
     for (Deque<std::unique_ptr<SuspendableTask>>::iterator it = suspendedTasks.begin(); it != suspendedTasks.end(); ++it)
         (*it)->contextDestroyed();
     ContextLifecycleNotifier::notifyContextDestroyed();
 }
 
 void ExecutionContext::suspendScheduledTasks()
 {
     suspendActiveDOMObjects();
     tasksWereSuspended();
 }
 
 void ExecutionContext::resumeScheduledTasks()
 {
     resumeActiveDOMObjects();
     tasksWereResumed();
     // We need finish stack unwiding before running next task because it can suspend this context.
     if (m_isRunSuspendableTasksScheduled)
         return;
     m_isRunSuspendableTasksScheduled = true;
-    postTask(BLINK_FROM_HERE, createSameThreadTask(&ExecutionContext::runSuspendableTasks, this));
+    postTask(BLINK_FROM_HERE, createSameThreadTask(&ExecutionContext::runSuspendableTasks, wrapPersistent(this)));
 }
 
 void ExecutionContext::suspendActiveDOMObjectIfNeeded(ActiveDOMObject* object)
 {
 #if DCHECK_IS_ON()
     DCHECK(contains(object));
 #endif
     // Ensure all ActiveDOMObjects are suspended also newly created ones.
     if (m_activeDOMObjectsAreSuspended)
         object->suspend();
@@ skipping 134 matching lines @@
 }
 
 DEFINE_TRACE(ExecutionContext)
 {
     visitor->trace(m_publicURLManager);
     ContextLifecycleNotifier::trace(visitor);
     Supplementable<ExecutionContext>::trace(visitor);
 }
 
 } // namespace blink