blink: Cleanup core class forward declarations

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,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Library General Public License for more details.
  *
  * You should have received a copy of the GNU Library General Public License
  * along with this library; see the file COPYING.LIB.  If not, write to
  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  * Boston, MA 02110-1301, USA.
  */
 
 #ifndef SVGTests_h
 #define SVGTests_h
 
 #include "core/CoreExport.h"
 #include "platform/heap/Handle.h"
 
 namespace blink {
 
-class Document;
 class QualifiedName;
 class SVGElement;
 class SVGStaticStringList;
 class SVGStringListTearOff;
 
 class CORE_EXPORT SVGTests : public GarbageCollectedMixin {
  public:
   // JS API
   SVGStringListTearOff* requiredFeatures();
   SVGStringListTearOff* requiredExtensions();
@@ skipping 10 matching lines @@
 
  private:
   Member<SVGStaticStringList> m_requiredFeatures;
   Member<SVGStaticStringList> m_requiredExtensions;
   Member<SVGStaticStringList> m_systemLanguage;
 };
 
 }  // namespace blink
 
 #endif  // SVGTests_h