Remove custom element :unresolved.

sky/engine/core/css/parser/BisonCSSParser-in.cpp

 /*
  * Copyright (C) 2003 Lars Knoll (knoll@kde.org)
  * Copyright (C) 2005 Allan Sandfeld Jensen (kde@carewolf.com)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012 Apple Inc. All rights reserved.
  * Copyright (C) 2007 Nicholas Shanks <webkit@nickshanks.com>
  * Copyright (C) 2008 Eric Seidel <eric@webkit.org>
  * Copyright (C) 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  * Copyright (C) 2012 Adobe Systems Incorporated. All rights reserved.
  * Copyright (C) 2012 Intel Corporation. All rights reserved.
  *
@@ skipping 1500 matching lines @@
 
 static void recordSelectorStats(const CSSParserContext& context, const CSSSelectorList& selectorList)
 {
     if (!context.useCounter())
         return;
 
     for (const CSSSelector* selector = selectorList.first(); selector; selector = CSSSelectorList::next(*selector)) {
         for (const CSSSelector* current = selector; current ; current = current->tagHistory()) {
             UseCounter::Feature feature = UseCounter::NumberOfFeatures;
             switch (current->pseudoType()) {
-            case CSSSelector::PseudoUnresolved:
-                feature = UseCounter::CSSSelectorPseudoUnresolved;
-                break;
             case CSSSelector::PseudoHost:
                 feature = UseCounter::CSSSelectorPseudoHost;
                 break;
             default:
                 break;
             }
             if (feature != UseCounter::NumberOfFeatures)
                 context.useCounter()->count(feature);
             if (current->selectorList())
                 recordSelectorStats(context, *current->selectorList());
@@ skipping 166 matching lines @@
         m_observer->endProperty(isImportantFound, isPropertyParsed, m_tokenizer.safeUserStringTokenOffset(), errorType);
 }
 
 void BisonCSSParser::startEndUnknownRule()
 {
     if (m_observer)
         m_observer->startEndUnknownRule();
 }
 
 }