Parse "-webkit-columns: auto <length>" properly.

Source/core/css/StylePropertyShorthand.cpp

 /*
  * (C) 1999-2003 Lars Knoll (knoll@kde.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008 Apple Inc. All rights reserved.
  *
  * 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,
@@ skipping 311 matching lines @@
 const StylePropertyShorthand& webkitBorderStartShorthand()
 {
     static const CSSPropertyID borderStartProperties[] = { CSSPropertyWebkitBorderStartWidth, CSSPropertyWebkitBorderStartStyle, CSSPropertyWebkitBorderStartColor };
     DEFINE_STATIC_LOCAL(StylePropertyShorthand, webkitBorderStartLonghands, (borderStartProperties, WTF_ARRAY_LENGTH(borderStartProperties)));
     return webkitBorderStartLonghands;
 }
 
 const StylePropertyShorthand& webkitColumnsShorthand()
 {
     static const CSSPropertyID columnsProperties[] = { CSSPropertyWebkitColumnWidth, CSSPropertyWebkitColumnCount };
-    DEFINE_STATIC_LOCAL(StylePropertyShorthand, webkitColumnsLonghands, (columnsProperties, WTF_ARRAY_LENGTH(columnsProperties)));
+    DEFINE_STATIC_LOCAL(StylePropertyShorthand, webkitColumnsLonghands, (columnsProperties, WTF_ARRAY_LENGTH(columnsProperties), true));
     return webkitColumnsLonghands;
 }
 
 const StylePropertyShorthand& webkitColumnRuleShorthand()
 {
     static const CSSPropertyID columnRuleProperties[] = {
         CSSPropertyWebkitColumnRuleWidth,
         CSSPropertyWebkitColumnRuleStyle,
         CSSPropertyWebkitColumnRuleColor,
     };
@@ skipping 245 matching lines @@
     // thus we need to special case it here. FIXME: This is a violation of CSS 3 Fonts
     // as we should still be able to change the longhands.
     // DON'T ADD ANY SHORTHAND HERE UNLESS IT ISN'T ALWAYS EXPANDED AT PARSE TIME (which is wrong).
     if (id == CSSPropertyFont)
         return false;
 
     return shorthandForProperty(id).length();
 }
 
 } // namespace WebCore