Remove AtomicStringImpl.

Source/core/css/StyleInvalidationAnalysis.cpp

 /*
  * Copyright (C) 2012 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 26 matching lines @@
 
 namespace WebCore {
 
 StyleInvalidationAnalysis::StyleInvalidationAnalysis(const Vector<StyleSheetContents*>& sheets)
     : m_dirtiesAllStyle(false)
 {
     for (unsigned i = 0; i < sheets.size() && !m_dirtiesAllStyle; ++i)
         analyzeStyleSheet(sheets[i]);
 }
 
-static bool determineSelectorScopes(const CSSSelectorList& selectorList, HashSet<AtomicStringImpl*>& idScopes, HashSet<AtomicStringImpl*>& classScopes)
+static bool determineSelectorScopes(const CSSSelectorList& selectorList, HashSet<StringImpl*>& idScopes, HashSet<StringImpl*>& classScopes)
 {
     for (const CSSSelector* selector = selectorList.first(); selector; selector = CSSSelectorList::next(selector)) {
         const CSSSelector* scopeSelector = 0;
         // This picks the widest scope, not the narrowest, to minimize the number of found scopes.
         for (const CSSSelector* current = selector; current; current = current->tagHistory()) {
             // Prefer ids over classes.
             if (current->m_match == CSSSelector::Id)
                 scopeSelector = current;
             else if (current->m_match == CSSSelector::Class && (!scopeSelector || scopeSelector->m_match != CSSSelector::Id))
                 scopeSelector = current;
@@ skipping 76 matching lines @@
             return;
         }
         StyleRule* styleRule = static_cast<StyleRule*>(rule);
         if (!determineSelectorScopes(styleRule->selectorList(), m_idScopes, m_classScopes)) {
             m_dirtiesAllStyle = true;
             return;
         }
     }
 }
 
-static bool elementMatchesSelectorScopes(const Element* element, const HashSet<AtomicStringImpl*>& idScopes, const HashSet<AtomicStringImpl*>& classScopes)
+static bool elementMatchesSelectorScopes(const Element* element, const HashSet<StringImpl*>& idScopes, const HashSet<StringImpl*>& classScopes)
 {
     if (!idScopes.isEmpty() && element->hasID() && idScopes.contains(element->idForStyleResolution().impl()))
         return true;
     if (classScopes.isEmpty() || !element->hasClass())
         return false;
     const SpaceSplitString& classNames = element->classNames();
     for (unsigned i = 0; i < classNames.size(); ++i) {
         if (classScopes.contains(classNames[i].impl()))
             return true;
     }
@@ skipping 17 matching lines @@
             element->setNeedsStyleRecalc();
             // The whole subtree is now invalidated, we can skip to the next sibling.
             element = ElementTraversal::nextSkippingChildren(element);
             continue;
         }
         element = ElementTraversal::next(element);
     }
 }
 
 }