Remove AtomicStringImpl.

Source/core/svg/SVGStyledElement.h

 /*
  * Copyright (C) 2004, 2005, 2006, 2007, 2008 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) 2004, 2005, 2007 Rob Buis <buis@kde.org>
  *
  * 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.
  *
  * This library is distributed in the hope that it will be useful,
@@ skipping 11 matching lines @@
 #define SVGStyledElement_h
 
 #include "CSSPropertyNames.h"
 #include "core/svg/SVGAnimatedString.h"
 #include "core/svg/SVGLocatable.h"
 #include <wtf/HashSet.h>
 #include <wtf/PassRefPtr.h>
 
 namespace WebCore {
 
-void mapAttributeToCSSProperty(HashMap<AtomicStringImpl*, CSSPropertyID>* propertyNameToIdMap, const QualifiedName& attrName);
+void mapAttributeToCSSProperty(HashMap<StringImpl*, CSSPropertyID>* propertyNameToIdMap, const QualifiedName& attrName);
 
 class CSSValue;
 class CSSStyleDeclaration;
 
 // FIXME(webkit.org/b/107386): SVGStyledElement should be merged into SVGElement as specified by SVG2.
 class SVGStyledElement : public SVGElement {
 public:
     virtual String title() const;
 
     bool hasRelativeLengths() const { return !m_elementsWithRelativeLengths.isEmpty(); }
@@ skipping 50 matching lines @@
 
 inline SVGStyledElement* toSVGStyledElement(Node* node)
 {
     ASSERT_WITH_SECURITY_IMPLICATION(!node || (node->isStyledElement() && node->isSVGElement()));
     return static_cast<SVGStyledElement*>(node);
 }
 
 } // namespace WebCore
 
 #endif // SVGStyledElement