Remove the Media Query "forward compatibly syntax" support in alignment with HTML5 spec

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 2871 matching lines @@
         mediaURL = source->getNonEmptyURLAttribute(srcAttr);
 #if !LOG_DISABLED
         if (shouldLog)
             LOG(Media, "HTMLMediaElement::selectNextSourceChild - 'src' is %s", urlForLoggingMedia(mediaURL).utf8().data());
 #endif
         if (mediaURL.isEmpty())
             goto check_again;
 
         if (source->fastHasAttribute(mediaAttr)) {
             MediaQueryEvaluator screenEval("screen", document()->frame(), renderer() ? renderer()->style() : 0);
-            RefPtr<MediaQuerySet> media = MediaQuerySet::createAllowingDescriptionSyntax(source->media());
+            RefPtr<MediaQuerySet> media = MediaQuerySet::create(source->media());
 #if !LOG_DISABLED
             if (shouldLog)
                 LOG(Media, "HTMLMediaElement::selectNextSourceChild - 'media' is %s", source->media().utf8().data());
 #endif
             if (!screenEval.eval(media.get()))
                 goto check_again;
         }
 
         type = source->type();
         // FIXME(82965): Add support for keySystem in <source> and set system from source.
@@ skipping 1117 matching lines @@
     info.addMember(m_mediaGroup, "mediaGroup");
     info.addMember(m_mediaController, "mediaController");
 
 #if ENABLE(WEB_AUDIO)
     info.addMember(m_audioSourceNode, "audioSourceNode");
 #endif
 
 }
 
 }