Remove HTMLMediaElement::m_sendProgressEvents

Source/core/html/HTMLMediaElement.h

 /*
  * 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 513 matching lines @@
     bool m_seeking : 1;
 
     // data has not been loaded since sending a "stalled" event
     bool m_sentStalledEvent : 1;
 
     // time has not changed since sending an "ended" event
     bool m_sentEndEvent : 1;
 
     bool m_pausedInternal : 1;
 
-    // Not all media engines provide enough information about a file to be able to
-    // support progress events so setting m_sendProgressEvents disables them
-    bool m_sendProgressEvents : 1;
-
     bool m_closedCaptionsVisible : 1;
 
     bool m_loadInitiatedByUserGesture : 1;
     bool m_completelyLoaded : 1;
     bool m_havePreparedToPlay : 1;
     bool m_parsingInProgress : 1;
 
     bool m_tracksAreReady : 1;
     bool m_haveVisibleTextTrack : 1;
     bool m_processingPreferenceChange : 1;
@@ skipping 52 matching lines @@
 inline bool isHTMLMediaElement(const Node& node)
 {
     return node.isElementNode() && toElement(node).isMediaElement();
 }
 
 DEFINE_NODE_TYPE_CASTS_WITH_FUNCTION(HTMLMediaElement);
 
 } //namespace
 
 #endif