Remove SVG hasExtension() methods

third_party/WebKit/Source/core/svg/SVGTests.h

 /*
  * Copyright (C) 2004, 2005, 2008 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) 2004, 2005, 2006, 2010 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 20 matching lines @@
 class Document;
 class QualifiedName;
 class SVGElement;
 
 class CORE_EXPORT SVGTests : public WillBeGarbageCollectedMixin {
 public:
     // JS API
     SVGStringListTearOff* requiredFeatures() { return m_requiredFeatures->tearOff(); }
     SVGStringListTearOff* requiredExtensions() { return m_requiredExtensions->tearOff(); }
     SVGStringListTearOff* systemLanguage() { return m_systemLanguage->tearOff(); }
-    bool hasExtension(const String&);
 
     bool isValid(Document&) const;
 
     bool parseAttribute(const QualifiedName&, const AtomicString&);
     bool isKnownAttribute(const QualifiedName&);
 
     void addSupportedAttributes(HashSet<QualifiedName>&);
 
     DECLARE_VIRTUAL_TRACE();
 
 protected:
     explicit SVGTests(SVGElement* contextElement);
 
 private:
     RefPtrWillBeMember<SVGStaticStringList> m_requiredFeatures;
     RefPtrWillBeMember<SVGStaticStringList> m_requiredExtensions;
     RefPtrWillBeMember<SVGStaticStringList> m_systemLanguage;
 };
 
 } // namespace blink
 
 #endif // SVGTests_h