Unprefix -webkit-filter and add a pixel test for it.

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 187 matching lines @@
     CSSPropertyWebkitBackgroundClip,
     CSSPropertyWebkitBackgroundComposite,
     CSSPropertyWebkitBackgroundOrigin,
     CSSPropertyWebkitBackgroundSize,
     CSSPropertyWebkitBorderHorizontalSpacing,
     CSSPropertyWebkitBorderImage,
     CSSPropertyWebkitBorderVerticalSpacing,
     CSSPropertyWebkitBoxDecorationBreak,
     CSSPropertyWebkitBoxShadow,
     CSSPropertyWebkitClipPath,
-    CSSPropertyWebkitFilter,
+    CSSPropertyFilter,
     CSSPropertyAlignContent,
     CSSPropertyAlignItems,
     CSSPropertyAlignSelf,
     CSSPropertyFlexBasis,
     CSSPropertyFlexGrow,
     CSSPropertyFlexShrink,
     CSSPropertyFlexDirection,
     CSSPropertyFlexWrap,
     CSSPropertyJustifyContent,
     CSSPropertyWebkitFontSmoothing,
@@ skipping 976 matching lines @@
     case CSSPropertyLeft:
     case CSSPropertyRight:
     case CSSPropertyTop:
     case CSSPropertyPerspectiveOrigin:
     case CSSPropertyWebkitPerspectiveOrigin:
     case CSSPropertyTransform:
     case CSSPropertyWebkitTransform:
     case CSSPropertyTransformOrigin:
     case CSSPropertyWebkitTransformOrigin:
     case CSSPropertyWidth:
-    case CSSPropertyWebkitFilter:
+    case CSSPropertyFilter:
         return true;
     case CSSPropertyMargin:
         return renderer && renderer->isBox() && (!style || !style->marginBottom().isFixed() || !style->marginTop().isFixed() || !style->marginLeft().isFixed() || !style->marginRight().isFixed());
     case CSSPropertyMarginLeft:
         return renderer && renderer->isBox() && (!style || !style->marginLeft().isFixed());
     case CSSPropertyMarginRight:
         return renderer && renderer->isBox() && (!style || !style->marginRight().isFixed());
     case CSSPropertyMarginTop:
         return renderer && renderer->isBox() && (!style || !style->marginTop().isFixed());
     case CSSPropertyMarginBottom:
@@ skipping 883 matching lines @@
         case CSSPropertyWebkitTextOrientation:
             return CSSPrimitiveValue::create(style->textOrientation());
         case CSSPropertyWebkitLineBoxContain:
             return createLineBoxContainValue(style->lineBoxContain());
         case CSSPropertyWebkitClipPath:
             if (ClipPathOperation* operation = style->clipPath()) {
                 if (operation->type() == ClipPathOperation::SHAPE)
                     return valueForBasicShape(*style, toShapeClipPathOperation(operation)->basicShape());
             }
             return cssValuePool().createIdentifierValue(CSSValueNone);
-        case CSSPropertyWebkitFilter:
+        case CSSPropertyFilter:
             return valueForFilter(renderer, *style);
 
         case CSSPropertyBackground:
             return valuesForBackgroundShorthand();
         case CSSPropertyBorder: {
             RefPtr<CSSValue> value = getPropertyCSSValue(CSSPropertyBorderTop, DoNotUpdateLayout);
             const CSSPropertyID properties[3] = { CSSPropertyBorderRight, CSSPropertyBorderBottom,
                                         CSSPropertyBorderLeft };
             for (size_t i = 0; i < WTF_ARRAY_LENGTH(properties); ++i) {
                 if (!compareCSSValuePtr<CSSValue>(value, getPropertyCSSValue(properties[i], DoNotUpdateLayout)))
@@ skipping 275 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