Remove incorrect ASSERT from HTMLMediaElement::hasPendingElement

Source/core/html/HTMLMediaElement.cpp

 /*
  * Copyright (C) 2007, 2008, 2009, 2010, 2011, 2012, 2013 Apple 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 3512 matching lines @@
 
     stopPeriodicTimers();
     cancelPendingEventsAndCallbacks();
 
     m_asyncEventQueue->close();
 }
 
 bool HTMLMediaElement::hasPendingActivity() const
 {
     // After the document becomes inactive, no events can ever be fired.
-    if (!document().isActive()) {
-        ASSERT(!m_asyncEventQueue->hasPendingEvents());
+    if (!document().isActive())
         return false;
-    }
 
     // The delaying-the-load-event flag is set by resource selection algorithm when looking for a
     // resource to load, before networkState has reached to NETWORK_LOADING.
     if (m_shouldDelayLoadEvent)
         return true;
 
     // When networkState is NETWORK_LOADING, progress and stalled events may be fired.
     if (m_networkState == NETWORK_LOADING)
         return true;
 
@@ skipping 500 matching lines @@
 
 #if ENABLE(WEB_AUDIO)
 void HTMLMediaElement::clearWeakMembers(Visitor* visitor)
 {
     if (!visitor->isAlive(m_audioSourceNode) && audioSourceProvider())
         audioSourceProvider()->setClient(0);
 }
 #endif
 
 }