:host-context should support functional notation only.

Source/core/css/CSSSelector.cpp

 /*
  * Copyright (C) 1999-2003 Lars Knoll (knoll@kde.org)
  *               1999 Waldo Bastian (bastian@kde.org)
  *               2001 Andreas Schlapbach (schlpbch@iam.unibe.ch)
  *               2001-2003 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2002, 2006, 2007, 2008, 2009, 2010 Apple Inc. All rights reserved.
  * Copyright (C) 2008 David Smith (catfish.man@gmail.com)
  * Copyright (C) 2010 Google Inc. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
@@ skipping 336 matching lines @@
 {"cue",                           CSSSelector::PseudoWebKitCustomElement},
 {"future",                        CSSSelector::PseudoFutureCue},
 {"past",                          CSSSelector::PseudoPastCue},
 {"-webkit-distributed(",          CSSSelector::PseudoDistributed},
 {"in-range",                      CSSSelector::PseudoInRange},
 {"out-of-range",                  CSSSelector::PseudoOutOfRange},
 {"scope",                         CSSSelector::PseudoScope},
 {"unresolved",                    CSSSelector::PseudoUnresolved},
 {"host",                          CSSSelector::PseudoHost},
 {"host(",                         CSSSelector::PseudoHost},
-{"host-context",                  CSSSelector::PseudoHostContext},
 {"host-context(",                 CSSSelector::PseudoHostContext},
 {"content",                       CSSSelector::PseudoContent},
 };
 
 static HashMap<StringImpl*, CSSSelector::PseudoType>* nameToPseudoTypeMap()
 {
     static HashMap<StringImpl*, CSSSelector::PseudoType>* nameToPseudoType = 0;
     if (!nameToPseudoType) {
         nameToPseudoType = new HashMap<StringImpl*, CSSSelector::PseudoType>;
 
@@ skipping 515 matching lines @@
             return false;
         return (count - m_b) % m_a == 0;
     } else {
         if (count > m_b)
             return false;
         return (m_b - count) % (-m_a) == 0;
     }
 }
 
 } // namespace WebCore