Remove more scrolling code from Sky

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 46 matching lines @@
 
 enum EBoxDecorationBreak { DSLICE, DCLONE };
 
 // Box attributes. Not inherited.
 
 enum EBoxSizing { CONTENT_BOX, BORDER_BOX };
 
 // Random visual rendering model attributes. Not inherited.
 
 enum EOverflow {
-    OVISIBLE, OHIDDEN, OSCROLL, OAUTO, OOVERLAY, OPAGEDX, OPAGEDY
+    OVISIBLE, OHIDDEN, OAUTO, OOVERLAY, OPAGEDX, OPAGEDY
 };
 
 enum EVerticalAlign {
     BASELINE, MIDDLE, SUB, SUPER, TEXT_TOP,
     TEXT_BOTTOM, TOP, BOTTOM, BASELINE_MIDDLE, LENGTH
 };
 
 enum ETableLayout {
     TAUTO, TFIXED
 };
 
 enum EFillAttachment {
-    ScrollBackgroundAttachment, LocalBackgroundAttachment, FixedBackgroundAttachment
+    LocalBackgroundAttachment, FixedBackgroundAttachment
 };
 
 enum EFillBox {
     BorderFillBox, PaddingFillBox, ContentFillBox
 };
 
 enum EFillRepeat {
     RepeatFill, NoRepeatFill, RoundFill, SpaceFill
 };
 
@@ skipping 344 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_