Remove AtomicStringImpl.

Source/core/css/RuleFeature.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 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 41 matching lines @@
     case CSSSelector::PseudoAfter:
         usesBeforeAfterRules = true;
         break;
     default:
         break;
     }
 }
 
 void RuleFeatureSet::add(const RuleFeatureSet& other)
 {
-    HashSet<AtomicStringImpl*>::const_iterator end = other.idsInRules.end();
-    for (HashSet<AtomicStringImpl*>::const_iterator it = other.idsInRules.begin(); it != end; ++it)
+    HashSet<StringImpl*>::const_iterator end = other.idsInRules.end();
+    for (HashSet<StringImpl*>::const_iterator it = other.idsInRules.begin(); it != end; ++it)
         idsInRules.add(*it);
     end = other.classesInRules.end();
-    for (HashSet<AtomicStringImpl*>::const_iterator it = other.classesInRules.begin(); it != end; ++it)
+    for (HashSet<StringImpl*>::const_iterator it = other.classesInRules.begin(); it != end; ++it)
         classesInRules.add(*it);
     end = other.attrsInRules.end();
-    for (HashSet<AtomicStringImpl*>::const_iterator it = other.attrsInRules.begin(); it != end; ++it)
+    for (HashSet<StringImpl*>::const_iterator it = other.attrsInRules.begin(); it != end; ++it)
         attrsInRules.add(*it);
     siblingRules.append(other.siblingRules);
     uncommonAttributeRules.append(other.uncommonAttributeRules);
     usesFirstLineRules = usesFirstLineRules || other.usesFirstLineRules;
     usesBeforeAfterRules = usesBeforeAfterRules || other.usesBeforeAfterRules;
 }
 
 void RuleFeatureSet::clear()
 {
     idsInRules.clear();
     classesInRules.clear();
     attrsInRules.clear();
     siblingRules.clear();
     uncommonAttributeRules.clear();
     usesFirstLineRules = false;
     usesBeforeAfterRules = false;
 }
 
 void RuleFeatureSet::reportMemoryUsage(MemoryObjectInfo* memoryObjectInfo) const
 {
     MemoryClassInfo info(memoryObjectInfo, this, WebCoreMemoryTypes::CSS);
     info.addMember(idsInRules, "idsInRules");
     info.addMember(classesInRules, "classesInRules");
     info.addMember(attrsInRules, "attrsInRules");
     info.addMember(siblingRules, "siblingRules");
     info.addMember(uncommonAttributeRules, "uncommonAttributeRules");
 }
 
 } // namespace WebCore