Remove backface visibility

sky/engine/core/css/CSSComputedStyleDeclaration.cpp

 /*
  * Copyright (C) 2004 Zack Rusin <zack@kde.org>
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012 Apple Inc. All rights reserved.
  * Copyright (C) 2007 Alexey Proskuryakov <ap@webkit.org>
  * Copyright (C) 2007 Nicholas Shanks <webkit@nickshanks.com>
  * Copyright (C) 2011 Sencha, Inc. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either
@@ skipping 161 matching lines @@
     CSSPropertyUnicodeBidi,
     CSSPropertyVerticalAlign,
     CSSPropertyWhiteSpace,
     CSSPropertyWidth,
     CSSPropertyWillChange,
     CSSPropertyWordBreak,
     CSSPropertyWordSpacing,
     CSSPropertyWordWrap,
     CSSPropertyZIndex,
 
-    CSSPropertyBackfaceVisibility,
-    CSSPropertyWebkitBackfaceVisibility,
     CSSPropertyWebkitBackgroundClip,
     CSSPropertyWebkitBackgroundComposite,
     CSSPropertyWebkitBackgroundOrigin,
     CSSPropertyWebkitBackgroundSize,
     CSSPropertyWebkitBorderHorizontalSpacing,
     CSSPropertyWebkitBorderImage,
     CSSPropertyWebkitBorderVerticalSpacing,
     CSSPropertyWebkitBoxDecorationBreak,
     CSSPropertyWebkitBoxShadow,
     CSSPropertyWebkitClipPath,
@@ skipping 1629 matching lines @@
             list->append(valueForAnimationDirection(CSSAnimationData::initialDirection()));
             list->append(valueForAnimationFillMode(CSSAnimationData::initialFillMode()));
             // Initial animation-play-state.
             list->append(cssValuePool().createIdentifierValue(CSSValueRunning));
             return list.release();
         }
         case CSSPropertyWebkitAspectRatio:
             if (!style->hasAspectRatio())
                 return cssValuePool().createIdentifierValue(CSSValueNone);
             return CSSAspectRatioValue::create(style->aspectRatioNumerator(), style->aspectRatioDenominator());
-        case CSSPropertyBackfaceVisibility:
-        case CSSPropertyWebkitBackfaceVisibility:
-            return cssValuePool().createIdentifierValue((style->backfaceVisibility() == BackfaceVisibilityHidden) ? CSSValueHidden : CSSValueVisible);
         case CSSPropertyWebkitBorderImage:
             return valueForNinePieceImage(style->borderImage(), *style);
         case CSSPropertyBorderImageOutset:
             return valueForNinePieceImageQuad(style->borderImage().outset(), *style);
         case CSSPropertyBorderImageRepeat:
             return valueForNinePieceImageRepeat(style->borderImage());
         case CSSPropertyBorderImageSlice:
             return valueForNinePieceImageSlice(style->borderImage());
         case CSSPropertyBorderImageWidth:
             return valueForNinePieceImageQuad(style->borderImage().borderSlices(), *style);
@@ skipping 385 matching lines @@
     static const CSSPropertyID propertiesAfterSlashSeperator[3] = { CSSPropertyBackgroundSize, CSSPropertyBackgroundOrigin,
                                                                     CSSPropertyBackgroundClip };
 
     RefPtr<CSSValueList> list = CSSValueList::createSlashSeparated();
     list->append(valuesForShorthandProperty(StylePropertyShorthand(CSSPropertyBackground, propertiesBeforeSlashSeperator, WTF_ARRAY_LENGTH(propertiesBeforeSlashSeperator))));
     list->append(valuesForShorthandProperty(StylePropertyShorthand(CSSPropertyBackground, propertiesAfterSlashSeperator, WTF_ARRAY_LENGTH(propertiesAfterSlashSeperator))));
     return list.release();
 }
 
 } // namespace blink