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

Source/core/dom/StyleElement.cpp

 /*
  * Copyright (C) 2006, 2007 Rob Buis
  * Copyright (C) 2008 Apple, Inc. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
@@ skipping 140 matching lines @@
     Document* document = e->document();
     if (m_sheet) {
         if (m_sheet->isLoading())
             document->styleSheetCollection()->removePendingSheet();
         clearSheet();
     }
 
     // If type is empty or CSS, this is a CSS style sheet.
     const AtomicString& type = this->type();
     if (document->contentSecurityPolicy()->allowInlineStyle(e->document()->url(), m_startPosition.m_line) && isCSS(e, type)) {
-        RefPtr<MediaQuerySet> mediaQueries;
-        if (e->isHTMLElement())
-            mediaQueries = MediaQuerySet::createAllowingDescriptionSyntax(media());
-        else
-            mediaQueries = MediaQuerySet::create(media());
+        RefPtr<MediaQuerySet> mediaQueries = MediaQuerySet::create(media());
 
         MediaQueryEvaluator screenEval("screen", true);
         MediaQueryEvaluator printEval("print", true);
         if (screenEval.eval(mediaQueries.get()) || printEval.eval(mediaQueries.get())) {
             document->styleSheetCollection()->addPendingSheet();
             m_loading = true;
 
             TextPosition startPosition = m_startPosition == TextPosition::belowRangePosition() ? TextPosition::minimumPosition() : m_startPosition;
             m_sheet = CSSStyleSheet::createInline(e, KURL(), startPosition, document->inputEncoding());
             m_sheet->setMediaQueries(mediaQueries.release());
@@ skipping 25 matching lines @@
     return true;
 }
 
 void StyleElement::startLoadingDynamicSheet(Document* document)
 {
     ASSERT(document);
     document->styleSheetCollection()->addPendingSheet();
 }
 
 }