:-webkit-any pseudo with escaped '(' should not crash.

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 1364 matching lines @@
     }
     ;
 
 ident_or_string:
     IDENT
   | STRING
     ;
 
 pseudo_page:
     ':' IDENT {
+        if ($2.isFunction())
+            YYERROR;
         $$ = parser->createFloatingSelector();
         $$->setMatch(CSSSelector::PagePseudoClass);
         parser->tokenToLowerCase($2);
         $$->setValue($2);
         CSSSelector::PseudoType type = $$->pseudoType();
         if (type == CSSSelector::PseudoUnknown)
             YYERROR;
     }
 
 pseudo:
     ':' error_location IDENT {
+        if ($3.isFunction())
+            YYERROR;
         $$ = parser->createFloatingSelector();
         $$->setMatch(CSSSelector::PseudoClass);
         parser->tokenToLowerCase($3);
         $$->setValue($3);
         CSSSelector::PseudoType type = $$->pseudoType();
         if (type == CSSSelector::PseudoUnknown) {
             parser->reportError($2, CSSParser::InvalidSelectorPseudoError);
             YYERROR;
         }
     }
     | ':' ':' error_location IDENT {
+        if ($4.isFunction())
+            YYERROR;
         $$ = parser->createFloatingSelector();
         $$->setMatch(CSSSelector::PseudoElement);
         parser->tokenToLowerCase($4);
         $$->setValue($4);
         // FIXME: This call is needed to force selector to compute the pseudoType early enough.
         CSSSelector::PseudoType type = $$->pseudoType();
         if (type == CSSSelector::PseudoUnknown) {
             parser->reportError($3, CSSParser::InvalidSelectorPseudoError);
             YYERROR;
         }
@@ skipping 505 matching lines @@
 
 rule_error_recovery:
     /* empty */
   | rule_error_recovery error
   | rule_error_recovery invalid_square_brackets_block
   | rule_error_recovery invalid_parentheses_block
     ;
 
 %%