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

Source/core/dom/DOMImplementation.cpp

Index: Source/core/dom/DOMImplementation.cpp
diff --git a/Source/core/dom/DOMImplementation.cpp b/Source/core/dom/DOMImplementation.cpp
index 280cee285528e8a9d9f67a08f7aa2e2d1776f8c6..bad5141b6d89424245b9e8a8aa61f70b002e8d13 100644
--- a/Source/core/dom/DOMImplementation.cpp
+++ b/Source/core/dom/DOMImplementation.cpp
@@ -293,7 +293,7 @@ PassRefPtr<CSSStyleSheet> DOMImplementation::createCSSStyleSheet(const String&,
     // FIXME: Title should be set.
     // FIXME: Media could have wrong syntax, in which case we should generate an exception.
     RefPtr<CSSStyleSheet> sheet = CSSStyleSheet::create(StyleSheetContents::create());
-    sheet->setMediaQueries(MediaQuerySet::createAllowingDescriptionSyntax(media));
+    sheet->setMediaQueries(MediaQuerySet::create(media));
     return sheet;
 }