Error recovery for valid media query followed by garbage.

Source/core/css/CSSGrammar.y.in

 /*
  *  Copyright (C) 2002-2003 Lars Knoll (knoll@kde.org)
  *  Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013 Apple Inc. All rights reserved.
  *  Copyright (C) 2006 Alexey Proskuryakov (ap@nypop.com)
  *  Copyright (C) 2008 Eric Seidel <eric@webkit.org>
  *  Copyright (C) 2012 Intel Corporation. All rights reserved.
  *
  *  This library is free software; you can redistribute it and/or
  *  modify it under the terms of the GNU Lesser General Public
  *  License as published by the Free Software Foundation; either
@@ skipping 620 matching lines @@
         $$ = parser->createFloatingMediaQuery(parser->sinkFloatingMediaQueryExpList($1));
     }
     | maybe_media_restrictor medium maybe_and_media_query_exp_list {
         parser->tokenToLowerCase($2);
         $$ = parser->createFloatingMediaQuery($1, $2, parser->sinkFloatingMediaQueryExpList($3));
     }
     ;
 
 media_query:
     valid_media_query
+    | valid_media_query error rule_error_recovery {
+        $$ = parser->createFloatingNotAllQuery();
+    }
     | error rule_error_recovery {
         $$ = parser->createFloatingNotAllQuery();
     }
     ;
 
 maybe_media_list:
     /* empty */ {
         $$ = parser->createMediaQuerySet();
     }
     | media_list
@@ skipping 1351 matching lines @@
 
 rule_error_recovery:
     /* empty */
   | rule_error_recovery error
   | rule_error_recovery invalid_square_brackets_block
   | rule_error_recovery invalid_parentheses_block
     ;
 
 %%