Remove custom element :unresolved.

sky/engine/core/css/SelectorChecker.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 2004-2005 Allan Sandfeld Jensen (kde@carewolf.com)
  * Copyright (C) 2006, 2007 Nicholas Shanks (webkit@nickshanks.com)
  * Copyright (C) 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013 Apple Inc. All rights reserved.
  * Copyright (C) 2007 Alexey Proskuryakov <ap@webkit.org>
  * Copyright (C) 2007, 2008 Eric Seidel <eric@webkit.org>
  * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  * Copyright (c) 2011, Code Aurora Forum. All rights reserved.
  * Copyright (C) Research In Motion Limited 2011. All rights reserved.
@@ skipping 132 matching lines @@
         {
             AtomicString value = m_element.computeInheritedLanguage();
             const AtomicString& argument = selector.argument();
             if (value.isEmpty() || !value.startsWith(argument, false))
                 break;
             if (value.length() != argument.length() && value[argument.length()] != '-')
                 break;
             return true;
         }
 
-    case CSSSelector::PseudoUnresolved:
-        return m_element.isUnresolvedCustomElement();
-
     case CSSSelector::PseudoHost:
         {
             // We can only get here if the selector was defined in the right
             // scope so we don't need to check it.
 
             // For empty parameter case, i.e. just :host or :host().
             if (!selector.selectorList())
                 return true;
             for (const CSSSelector* current = selector.selectorList()->first(); current; current = CSSSelectorList::next(*current)) {
                 if (match(*current))
                     return true;
             }
             return false;
         }
 
     case CSSSelector::PseudoUnknown:
     case CSSSelector::PseudoNotParsed:
     case CSSSelector::PseudoUserAgentCustomElement:
         return false;
     }
     ASSERT_NOT_REACHED();
     return false;
 }
 
 }