blink: Cleanup core class forward declarations

third_party/WebKit/Source/core/style/StyleRareNonInheritedData.h

 /*
  * Copyright (C) 2000 Lars Knoll (knoll@kde.org)
  *           (C) 2000 Antti Koivisto (koivisto@kde.org)
  *           (C) 2000 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2003, 2005, 2006, 2007, 2008 Apple Inc. All rights reserved.
  * Copyright (C) 2006 Graham Dennis (graham.dennis@gmail.com)
  *
  * 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
@@ skipping 32 matching lines @@
 #include "wtf/PassRefPtr.h"
 #include "wtf/RefCounted.h"
 #include "wtf/Vector.h"
 #include <memory>
 
 namespace blink {
 
 class ContentData;
 class CSSAnimationData;
 class CSSTransitionData;
-class LengthSize;
 class ShadowList;
 class StyleDeprecatedFlexibleBoxData;
 class StyleFilterData;
 class StyleFlexibleBoxData;
 class StyleGridData;
 class StyleGridItemData;
 class StyleMultiColData;
 class StyleNonInheritedVariables;
 class StyleReflection;
 class StyleTransformData;
@@ skipping 173 matching lines @@
   unsigned m_hasAuthorBorder : 1;  // Whether there is a author-defined border.
 
  private:
   StyleRareNonInheritedData();
   StyleRareNonInheritedData(const StyleRareNonInheritedData&);
 };
 
 }  // namespace blink
 
 #endif  // StyleRareNonInheritedData_h