Remove -webkit-auto, -webkit-center, -webkit-left, -webkit-right.

sky/engine/core/editing/EditingStyle.cpp

 /*
  * Copyright (C) 2007, 2008, 2009 Apple Computer, Inc.
  * Copyright (C) 2010, 2011 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
@@ skipping 371 matching lines @@
 
 static inline RGBA32 getRGBABackgroundColor(StylePropertySet* style)
 {
     return cssValueToRGBA(style->getPropertyCSSValue(CSSPropertyBackgroundColor).get());
 }
 
 static int textAlignResolvingStartAndEnd(int textAlign, int direction)
 {
     switch (textAlign) {
     case CSSValueCenter:
-    case CSSValueWebkitCenter:
         return CSSValueCenter;
     case CSSValueJustify:
         return CSSValueJustify;
     case CSSValueLeft:
-    case CSSValueWebkitLeft:
         return CSSValueLeft;
     case CSSValueRight:
-    case CSSValueWebkitRight:
         return CSSValueRight;
     case CSSValueStart:
         return direction != CSSValueRtl ? CSSValueLeft : CSSValueRight;
     case CSSValueEnd:
         return direction == CSSValueRtl ? CSSValueRight : CSSValueLeft;
     }
     return CSSValueInvalid;
 }
 
 template<typename T>
@@ skipping 1139 matching lines @@
 {
     for (Node* ancestor = node; ancestor; ancestor = ancestor->parentNode()) {
         RefPtr<CSSComputedStyleDeclaration> ancestorStyle = CSSComputedStyleDeclaration::create(ancestor);
         if (!hasTransparentBackgroundColor(ancestorStyle.get()))
             return ancestorStyle->getPropertyCSSValue(CSSPropertyBackgroundColor);
     }
     return nullptr;
 }
 
 }