Remove webkit-margin-collapse

sky/engine/core/rendering/style/RenderStyleConstants.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, 2009, 2010 Apple Inc. All rights reserved.
  * Copyright (C) 2006 Graham Dennis (graham.dennis@gmail.com)
  * Copyright (C) 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
@@ skipping 57 matching lines @@
 enum EBorderPrecedence { BOFF, BTABLE, BCOLGROUP, BCOL, BROWGROUP, BROW, BCELL };
 
 enum OutlineIsAuto { AUTO_OFF = 0, AUTO_ON };
 
 enum EPosition {
     StaticPosition = 0,
     RelativePosition = 1,
     AbsolutePosition = 2,
 };
 
-enum EMarginCollapse { MCOLLAPSE, MSEPARATE, MDISCARD };
-
 // Box decoration attributes. Not inherited.
 
 enum EBoxDecorationBreak { DSLICE, DCLONE };
 
 // Box attributes. Not inherited.
 
 enum EBoxSizing { CONTENT_BOX, BORDER_BOX };
 
 // Random visual rendering model attributes. Not inherited.
 
@@ skipping 369 matching lines @@
 static const float maximumAllowedFontSize = 1000000.0f;
 
 enum TextIndentLine { TextIndentFirstLine, TextIndentEachLine };
 enum TextIndentType { TextIndentNormal, TextIndentHanging };
 
 enum CSSBoxType { BoxMissing = 0, MarginBox, BorderBox, PaddingBox, ContentBox };
 
 } // namespace blink
 
 #endif  // SKY_ENGINE_CORE_RENDERING_STYLE_RENDERSTYLECONSTANTS_H_