Remove AtomicStringImpl.

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 237 matching lines @@
         unsigned m_relationIsForShadowDistributed  : 1;
 
         unsigned specificityForOneSelector() const;
         unsigned specificityForPage() const;
         void extractPseudoType() const;
 
         // Hide.
         CSSSelector& operator=(const CSSSelector&);
 
         struct RareData : public RefCounted<RareData> {
-            static PassRefPtr<RareData> create(PassRefPtr<AtomicStringImpl> value) { return adoptRef(new RareData(value)); }
+            static PassRefPtr<RareData> create(PassRefPtr<StringImpl> value) { return adoptRef(new RareData(value)); }
             ~RareData();
 
             bool parseNth();
             bool matchNth(int count);
 
-            AtomicStringImpl* m_value; // Plain pointer to keep things uniform with the union.
+            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 and :nth-*
             OwnPtr<CSSSelectorList> m_selectorList; // Used for :-webkit-any and :not
         
         private:
-            RareData(PassRefPtr<AtomicStringImpl> value);
+            RareData(PassRefPtr<StringImpl> value);
         };
         void createRareData();
 
         union DataUnion {
             DataUnion() : m_value(0) { }
-            AtomicStringImpl* m_value;
+            StringImpl* m_value;
             QualifiedName::QualifiedNameImpl* m_tagQName;
             RareData* m_rareData;
         } m_data;
     };
 
 inline const QualifiedName& CSSSelector::attribute() const
 {
     ASSERT(isAttributeSelector());
     ASSERT(m_hasRareData);
     return m_data.m_rareData->m_attribute;
@@ skipping 134 matching lines @@
 
 inline const QualifiedName& CSSSelector::tagQName() const
 {
     ASSERT(m_match == Tag);
     return *reinterpret_cast<const QualifiedName*>(&m_data.m_tagQName);
 }
 
 inline const AtomicString& CSSSelector::value() const
 {
     ASSERT(m_match != Tag);
-    // AtomicString is really just an AtomicStringImpl* so the cast below is safe.
-    // FIXME: Perhaps call sites could be changed to accept AtomicStringImpl?
+    // 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