[layoutng] Margin support, part 1

third_party/WebKit/Source/core/style/StyleSurroundData.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 17 matching lines @@
 #include "core/style/BorderData.h"
 #include "platform/LengthBox.h"
 #include "wtf/PassRefPtr.h"
 #include "wtf/RefCounted.h"
 
 namespace blink {
 
 // TODO(sashab): Move this into a private class on ComputedStyle, and remove
 // all methods on it, merging them into copy/creation methods on ComputedStyle
 // instead. Keep the allocation logic, only allocating a new object if needed.
-class StyleSurroundData : public RefCounted<StyleSurroundData> {
+class CORE_EXPORT StyleSurroundData : public RefCounted<StyleSurroundData> {
 public:
     static PassRefPtr<StyleSurroundData> create() { return adoptRef(new StyleSurroundData); }
     PassRefPtr<StyleSurroundData> copy() const { return adoptRef(new StyleSurroundData(*this)); }
 
     bool operator==(const StyleSurroundData&) const;
     bool operator!=(const StyleSurroundData& o) const
     {
         return !(*this == o);
     }
 
     LengthBox offset;
     LengthBox margin;
     LengthBox padding;
     BorderData border;
 
 private:
     StyleSurroundData();
     StyleSurroundData(const StyleSurroundData&);
 };
 
 } // namespace blink
 
 #endif // StyleSurroundData_h