Remove ::part.

Source/core/css/CSSSelector.h

 /*
  * Copyright (C) 1999-2003 Lars Knoll (knoll@kde.org)
  *               1999 Waldo Bastian (bastian@kde.org)
  * Copyright (C) 2004, 2006, 2007, 2008, 2009, 2010, 2013 Apple Inc. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
@@ skipping 145 matching lines @@
             PseudoFullScreenAncestor,
             PseudoInRange,
             PseudoOutOfRange,
             PseudoUserAgentCustomElement,
             PseudoWebKitCustomElement,
             PseudoCue,
             PseudoFutureCue,
             PseudoPastCue,
             PseudoSeamlessDocument,
             PseudoDistributed,
-            PseudoPart,
             PseudoUnresolved,
             PseudoContent,
             PseudoHost
         };
 
         enum MarginBoxType {
             TopLeftCornerMarginBox,
             TopLeftMarginBox,
             TopCenterMarginBox,
             TopRightMarginBox,
@@ skipping 23 matching lines @@
 
         // Selectors are kept in an array by CSSSelectorList. The next component of the selector is
         // the next item in the array.
         const CSSSelector* tagHistory() const { return m_isLastInTagHistory ? 0 : const_cast<CSSSelector*>(this + 1); }
 
         const QualifiedName& tagQName() const;
         const AtomicString& value() const;
         const QualifiedName& attribute() const;
         const AtomicString& argument() const { return m_hasRareData ? m_data.m_rareData->m_argument : nullAtom; }
         const CSSSelectorList* selectorList() const { return m_hasRareData ? m_data.m_rareData->m_selectorList.get() : 0; }
-        bool isMatchUserAgentOnly() const { return m_hasRareData ? m_data.m_rareData->m_matchUserAgentOnly : false; }
 
         void setValue(const AtomicString&);
         void setAttribute(const QualifiedName&);
         void setArgument(const AtomicString&);
         void setSelectorList(PassOwnPtr<CSSSelectorList>);
         void setMatchUserAgentOnly();
 
         bool parseNth() const;
         bool matchNth(int count) const;
 
@@ skipping 47 matching lines @@
             static PassRefPtr<RareData> create(PassRefPtr<StringImpl> value) { return adoptRef(new RareData(value)); }
             ~RareData();
 
             bool parseNth();
             bool matchNth(int count);
 
             StringImpl* m_value; // Plain pointer to keep things uniform with the union.
             int m_a; // Used for :nth-*
             int m_b; // Used for :nth-*
             QualifiedName m_attribute; // used for attribute selector
-            AtomicString m_argument; // Used for :contains, :lang, :nth-* and ::part
+            AtomicString m_argument; // Used for :contains, :lang, :nth-*
             OwnPtr<CSSSelectorList> m_selectorList; // Used for :-webkit-any and :not
-            unsigned m_matchUserAgentOnly : 1; // Used to make ::part with "-webkit"-prefixed part name match only elements in UA shadow roots.
 
         private:
             RareData(PassRefPtr<StringImpl> value);
         };
         void createRareData();
 
         union DataUnion {
             DataUnion() : m_value(0) { }
             StringImpl* m_value;
             QualifiedName::QualifiedNameImpl* m_tagQName;
@@ skipping 15 matching lines @@
     return m_match == PseudoElement;
 }
 
 inline bool CSSSelector::isUnknownPseudoElement() const
 {
     return m_match == PseudoElement && m_pseudoType == PseudoUnknown;
 }
 
 inline bool CSSSelector::isCustomPseudoElement() const
 {
-    return m_match == PseudoElement && (m_pseudoType == PseudoUserAgentCustomElement || m_pseudoType == PseudoWebKitCustomElement || m_pseudoType == PseudoPart);
+    return m_match == PseudoElement && (m_pseudoType == PseudoUserAgentCustomElement || m_pseudoType == PseudoWebKitCustomElement);
 }
 
 inline bool CSSSelector::isHostPseudoClass() const
 {
     return m_match == PseudoClass && m_pseudoType == PseudoHost;
 }
 
 inline bool CSSSelector::isSiblingSelector() const
 {
     PseudoType type = pseudoType();
@@ skipping 126 matching lines @@
     ASSERT(m_match != Tag);
     // AtomicString is really just a StringImpl* so the cast below is safe.
     // FIXME: Perhaps call sites could be changed to accept StringImpl?
     return *reinterpret_cast<const AtomicString*>(m_hasRareData ? &m_data.m_rareData->m_value : &m_data.m_value);
 }
 
 
 } // namespace WebCore
 
 #endif // CSSSelector_h