Don't be so CRASH happy in the bindings layer.

WebCore/dom/ScriptExecutionContext.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
  *    notice, this list of conditions and the following disclaimer in the
  *    documentation and/or other materials provided with the distribution.
  *
@@ skipping 71 matching lines @@
 void ScriptExecutionContext::AddConsoleMessageTask::performTask(ScriptExecutionContext* context)
 {
     context->addConsoleMessage(m_source, m_type, m_level, m_message);
 }
 
 ScriptExecutionContext::ScriptExecutionContext()
     : m_iteratingActiveDOMObjects(false)
     , m_inDestructor(false)
     , m_inDispatchErrorEvent(false)
     , m_activeDOMObjectsAreSuspended(false)
+    , m_reasonForSuspendingActiveDOMObjects(static_cast<ActiveDOMObject::ReasonForSuspension>(0))
+    , m_activeDOMObjectsAreStopped(false)
 {
 }
 
 ScriptExecutionContext::~ScriptExecutionContext()
 {
     m_inDestructor = true;
     for (HashSet<ContextDestructionObserver*>::iterator iter = m_destructionObservers.begin(); iter != m_destructionObservers.end(); iter = m_destructionObservers.begin()) {
         ContextDestructionObserver* observer = *iter;
         m_destructionObservers.remove(observer);
         ASSERT(observer->scriptExecutionContext() == this);
@@ skipping 103 matching lines @@
     for (HashMap<ActiveDOMObject*, void*>::iterator iter = m_activeDOMObjects.begin(); iter != activeObjectsEnd; ++iter) {
         ASSERT(iter->first->scriptExecutionContext() == this);
         ASSERT(iter->first->suspendIfNeededCalled());
         iter->first->resume();
     }
     m_iteratingActiveDOMObjects = false;
 }
 
 void ScriptExecutionContext::stopActiveDOMObjects()
 {
+    m_activeDOMObjectsAreStopped = true;
     // No protection against m_activeDOMObjects changing during iteration: stop() shouldn't execute arbitrary JS.
     m_iteratingActiveDOMObjects = true;
     HashMap<ActiveDOMObject*, void*>::iterator activeObjectsEnd = m_activeDOMObjects.end();
     for (HashMap<ActiveDOMObject*, void*>::iterator iter = m_activeDOMObjects.begin(); iter != activeObjectsEnd; ++iter) {
         ASSERT(iter->first->scriptExecutionContext() == this);
         ASSERT(iter->first->suspendIfNeededCalled());
         iter->first->stop();
     }
     m_iteratingActiveDOMObjects = false;
 
@@ skipping 183 matching lines @@
     if (isWorkerContext())
         return static_cast<WorkerContext*>(this)->script()->globalData();
 #endif
 
     ASSERT_NOT_REACHED();
     return 0;
 }
 #endif
 
 } // namespace WebCore