Implementation of CSS3 nav-up/down/left/right properties from CSS3 UI.

Source/core/css/CSSProperty.cpp

 /**
  * (C) 1999-2003 Lars Knoll (knoll@kde.org)
  * Copyright (C) 2004, 2005, 2006 Apple Computer, Inc.
  *
  * 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 433 matching lines @@
     case CSSPropertyMarginLeft:
     case CSSPropertyMarginRight:
     case CSSPropertyMarginTop:
     case CSSPropertyMask:
     case CSSPropertyMaskType:
     case CSSPropertyMaxHeight:
     case CSSPropertyMaxWidth:
     case CSSPropertyMinHeight:
     case CSSPropertyMinWidth:
     case CSSPropertyMixBlendMode:
+    case CSSPropertyNavDown:
+    case CSSPropertyNavLeft:
+    case CSSPropertyNavRight:
+    case CSSPropertyNavUp:
     case CSSPropertyOpacity:
     case CSSPropertyOutline:
     case CSSPropertyOutlineColor:
     case CSSPropertyOutlineOffset:
     case CSSPropertyOutlineStyle:
     case CSSPropertyOutlineWidth:
     case CSSPropertyOverflow:
     case CSSPropertyOverflowWrap:
     case CSSPropertyOverflowX:
     case CSSPropertyOverflowY:
@@ skipping 215 matching lines @@
 }
 
 void CSSProperty::reportMemoryUsage(MemoryObjectInfo* memoryObjectInfo) const
 {
     MemoryClassInfo info(memoryObjectInfo, this, WebCoreMemoryTypes::CSS);
     info.addMember(m_value, "value");
     info.ignoreMember(m_metadata);
 }
 
 } // namespace WebCore